New discoveries might lead investigators to the legendary group of 300 Spartan warriors who died fighting off one million invading Persians, and using cutting-edge tech, experts reconstruct the battlefield to uncover the secrets of their last stand.

The ancient city of Samarra contains a series of medieval structures that hold secrets to one of the world's greatest empires; archaeologists use pioneering technology to investigate its astonishing rise to power and reveal its monumental downfall.

The legendary metropolis of Xanadu and its fabled existence have mystified experts for centuries; archaeologists use cutting-edge aerial imaging to investigate new discoveries and reveal the truth behind this mythical lost city.

Astronaut Leroy Chiao's spacewalk is interrupted by bright lights flying past; a flying saucer is photographed from the Apollo.

The legendary metropolis of Xanadu and its fabled existence have mystified experts for centuries; archaeologists use cutting-edge aerial imaging to investigate new discoveries and reveal the truth behind this mythical lost city.

Life may have been found on Mars; mysterious Moon Pigeons.

A distant planet shows an Earth-like atmosphere; a glowing light suggests an atmosphere on the Moon; why there are blueberries on Mars.

Recent evidence could explain how supermassive black holes grow so big; neither dark matter nor cannibalism can fully explain these beasts, but the latest science may finally provide an answer.

A distant planet shows an Earth-like atmosphere; a glowing light suggests an atmosphere on the Moon; why there are blueberries on Mars.

The universe is a dangerous place; exploring the deadliest spots in the cosmos; between earth and the edge of the universe, there are a million ways to die; a crash test dummy is on a mission.

Exploring new discoveries that rewrite the history of the solar system, revealing a complex and violent story that begins with the birth of the sun from the debris of a massive galactic collision to its eventual fate as a lone zombie star.

Exploring new discoveries that rewrite the history of the solar system, revealing a complex and violent story that begins with the birth of the sun from the debris of a massive galactic collision to its eventual fate as a lone zombie star.

Stel and Jess trek to the Black Sea, where they investigate a 7,000-year-old skeleton buried in gold treasure, and uncover evidence of an ancient catastrophe that could be the basis for Noah's flood and the destruction of Atlantis.

Stel and Jess search underwater ruins off the coast of Greece that could be the ruins of Atlantis.

Stel and Jess investigate a mysterious Greek island where an advanced ancient civilization built a massive marble pyramid.

Stel and Jess dig into unexplored archeological sites along the Adriatic coast of Croatia where underwater relics from an ancient bridge system lead them to an age-old legend of a lost city and into a massive sinkhole that could swallow a city whole.

Stel and Jess sail to Sicily to explore Europe's largest active volcano; Their investigation leads them to a hidden labyrinth and a mysterious underwater monolith.

Stel and Jess investigate cave paintings in Turkey that match an advanced civilization that built the world's oldest city; tracing the ancient migration to the coast, they discover a shoreline and ruins of a lost city right under their feet.

Victor Vescovo's team searches for the deepest point of the Atlantic Ocean.

Stel and Jess investigate cave paintings in Turkey that match an advanced civilization that built the world's oldest city; tracing the ancient migration to the coast, they discover a shoreline and ruins of a lost city right under their feet.

Victor Vescovo's team searches for the deepest point of the Southern Ocean.

Victor Vescovo and his team head to the Indian Ocean.

Victor Vescovo's team takes on the Mariana Trench in the Pacific Ocean.

Victor Vescovo's team concludes its mission in the Arctic Ocean.

Victor Vescovo and his team head to the Indian Ocean.

Victor Vescovo's team takes on the Mariana Trench in the Pacific Ocean.

Victor Vescovo's team concludes its mission in the Arctic Ocean.

Victor Vescovo's team searches for the deepest point of the Southern Ocean.

Stel and Jess dig into unexplored archeological sites along the Adriatic coast of Croatia where underwater relics from an ancient bridge system lead them to an age-old legend of a lost city and into a massive sinkhole that could swallow a city whole.

Victor Vescovo's team searches for the deepest point of the Southern Ocean.

Stel and Jess sail to Sicily to explore Europe's largest active volcano; Their investigation leads them to a hidden labyrinth and a mysterious underwater monolith.

Stel and Jess sail to Sicily to explore Europe's largest active volcano; Their investigation leads them to a hidden labyrinth and a mysterious underwater monolith.

A piece of the sun seems to have vanished; the Hubble spots an unidentified object traveling faster than light.

Spaceships powered by atomic bombs; artificial rings encircle an entire star; Neil Armstrong's transmission feed cuts off when he spots strange lights on the moon; how can lightning talk to itself.

A NASA astronaut reports seeing a flying saucer in the skies above a U.S. Air Force test range; how the swirling gases of Saturn have formed a perfect hexagon that has hovered above the planet's pole for 30 years.

A NASA astronaut reports seeing a flying saucer in the skies above a U.S. Air Force test range; how the swirling gases of Saturn have formed a perfect hexagon that has hovered above the planet's pole for 30 years.

Dark matter is the biggest mystery of the cosmos; scientists know that it has been vital to our universe since its birth, and new discoveries reveal that it could create black holes, cause mass extinctions, and might even shape life on Earth itself.

Discoveries of new planets have revealed countless worlds much stranger than Earth; some of these strange worlds don't have stars and others are made out of diamonds.

Discoveries of new planets have revealed countless worlds much stranger than Earth; some of these strange worlds don't have stars and others are made out of diamonds.

An ancient tablet discovered on the remote reaches of Easter Island is etched in a mysterious glyph system that has yet to be deciphered; experts use cutting-edge tech to determine if this wooden relic could be the key to a lost civilization.

A museum in South London contains a disturbing tattered hat made of brown felt and decorated with more than 80 human teeth; using the latest imaging technology, experts investigate to uncover the macabre origins of this mysterious Victorian-era cap.

In 1953, a team of archaeologists uncover a bizarre, plastered human skull in the ancient city of Jericho; experts investigate the mysterious purpose and identity behind this 9,000-year-old clay-covered artifact.

A stone sphere, a hook and five fragments of wood are the only objects ever discovered inside the Great Pyramid of Giza; experts investigate if they can explain the mysteries behind the only surviving Wonder of the Ancient World.

Containing intricately carved concentric circles, the Towie Ball is one of the finest Neolithic stoneworks ever discovered; using cutting-edge imaging technology, experts investigate the purpose behind this 5,000-year-old black stone mystery.

Investigating whether a machine can read personalities; an ancient golden mask painted with human blood; a cursed chicken pot.

A minuscule metal sphere containing two microscopic holes could be the smallest murder weapon in history; experts explore how this tiny object is linked to one of the most bizarre true crime cases of the 20th century.

A minuscule metal sphere containing two microscopic holes could be the smallest murder weapon in history; experts explore how this tiny object is linked to one of the most bizarre true crime cases of the 20th century.

An explorer searching for treasure at a Mayan sacrificial site is attacked by a mysterious underwater fog; thousands of fish spontaneously jump to their deaths; something alien appears over the skies of Los Angeles.

A fire-breathing crater burns in the middle of a desert, and some believe it to be a gateway to hell; a deadly shark lurks in a golf course water hazard; a giant white blob threatens a town in California.

A giant creature in an armor of ice is spotted in the Alaskan wild, and some suspect it's a deadly mythical monster; a jet has a close encounter with an unknown object; evidence of a deadly lightning strike invites paranormal explanations.

When a mysterious predator eats a shark, experts wonder if a prehistoric monster is to blame; a sinister sight is caught on tape near Russia's Area 51 and the evidence might point to a cover-up.

Deep sea explorers discover an unknown monster thousands of feet beneath the ocean; killer fog threatens a town in the American Midwest; a truck spontaneously explodes on a busy freeway.

A sinister locomotive breathes fire into the night sky, and locals fear it's a demonic train coming to claim their souls; when something terrifying emerges from a mysterious lake in Ireland, experts wonder if it could be a modern-day leviathan.

When a mysterious predator eats a shark, experts wonder if a prehistoric monster is to blame; a sinister sight is caught on tape near Russia's Area 51 and the evidence might point to a cover-up.

Deep sea explorers discover an unknown monster thousands of feet beneath the ocean; killer fog threatens a town in the American Midwest; a truck spontaneously explodes on a busy freeway.

A sinister locomotive breathes fire into the night sky, and locals fear it's a demonic train coming to claim their souls; when something terrifying emerges from a mysterious lake in Ireland, experts wonder if it could be a modern-day leviathan.

A giant creature in an armor of ice is spotted in the Alaskan wild, and some suspect it's a deadly mythical monster; a jet has a close encounter with an unknown object; evidence of a deadly lightning strike invites paranormal explanations.

A giant creature in an armor of ice is spotted in the Alaskan wild, and some suspect it's a deadly mythical monster; a jet has a close encounter with an unknown object; evidence of a deadly lightning strike invites paranormal explanations.

Investigating whether a machine can read personalities; an ancient golden mask painted with human blood; a cursed chicken pot.

A minuscule metal sphere containing two microscopic holes could be the smallest murder weapon in history; experts explore how this tiny object is linked to one of the most bizarre true crime cases of the 20th century.

A minuscule metal sphere containing two microscopic holes could be the smallest murder weapon in history; experts explore how this tiny object is linked to one of the most bizarre true crime cases of the 20th century.

What was thought to be a secret Soviet satellite could have been a UFO crashing in Pennsylvania; NASA makes an unbelievable discovery, frozen water on Mercury.

Images of Mercury show large spider-like formations on its surface; A classifed space shuttle mission almost ends in disaster.

Looking at how pictures from the Hubble telescope make the comet of the century look like an alien spacecraft; earth may have already been invaded by alien organisms.

Looking at how pictures from the Hubble telescope make the comet of the century look like an alien spacecraft; earth may have already been invaded by alien organisms.

The evolution of life on Mars before a series of cataclysmic events transformed the planet from a watery world to a hostile one; scientists believe life will find a way to continue despite the setbacks.

Exploring the real-life Death Stars in the cosmos that could snuff out Earth without much effort; the science of the destructive power behind six of the deadliest stars; vampire stars; supernovas; rogue stars.

Trick shots; extreme mountain unicyclists; a relaxing hot bath of chili sauce.

Exploring the real-life Death Stars in the cosmos that could snuff out Earth without much effort; the science of the destructive power behind six of the deadliest stars; vampire stars; supernovas; rogue stars.

Tattoo machine; building an engine out of paper; a giant swing.

Separating scientific fact from science fiction; testing the limits of paper; selfie with a tornado; giant, ornery alligators roaming around on golf courses.

In search of Mother Nature's biggest oh-my-god moments; cuddly bears, criminal ferrets and an entire island made from trash; The quest for the weirdest, wildest and wackiest nature lovers on the internet.

Boiling science down to its component parts; these pioneers have wrestled with the forces of the universe and faced the elements in order to capture something extraordinary.

Individuals harness the speed, strength, and skills required to blow the lid off the internet; outrageous bungee jumps and powerful drones that can fly and swim.

In 2006, a fatal collapse in one of Boston's tunnels put an ambitious project in doubt; experts reveal what caused this engineering disaster and how it was fixed.

Individuals harness the speed, strength, and skills required to blow the lid off the internet; outrageous bungee jumps and powerful drones that can fly and swim.

When catastrophe strikes Skylab, life on Earth is threatened by a space station cratering toward the planet, and NASA experts use cutting-edge technology to reveal what went wrong and if disaster can be averted.

A detonated building mysteriously refuses to fall, an American ghost town with a deadly legacy, and wind turbines on the brink of disaster are engineering disasters in need of repair, and experts reveal what went wrong and if they can be fixed.

In 1973, the Aon Center became the tallest marble-clad building in the world; years later, Chicago's extreme weather would turn its beautiful exterior into a death-trap.

New York City is under attack as Hurricanes Ida and Ian unleash their fury on innocent people; seeing how the latest science and technology can protect New York City's 8 million residents before everything gets swept away by ferocious superstorms.

In 1973, the Aon Center became the tallest marble-clad building in the world; years later, Chicago's extreme weather would turn its beautiful exterior into a death-trap.

New York City is under attack as Hurricanes Ida and Ian unleash their fury on innocent people; seeing how the latest science and technology can protect New York City's 8 million residents before everything gets swept away by ferocious superstorms.

When America's tallest dam threatens to burst, a nearby town finds itself an hour away from total annihilation, and engineers use cutting-edge technology to reveal what went wrong and if disaster can be averted.

New York City is under attack as Hurricanes Ida and Ian unleash their fury on innocent people; seeing how the latest science and technology can protect New York City's 8 million residents before everything gets swept away by ferocious superstorms.

When America's tallest dam threatens to burst, a nearby town finds itself an hour away from total annihilation, and engineers use cutting-edge technology to reveal what went wrong and if disaster can be averted.

New York City is under attack as Hurricanes Ida and Ian unleash their fury on innocent people; seeing how the latest science and technology can protect New York City's 8 million residents before everything gets swept away by ferocious superstorms.

When America's tallest dam threatens to burst, a nearby town finds itself an hour away from total annihilation, and engineers use cutting-edge technology to reveal what went wrong and if disaster can be averted.

In 1973, the Aon Center became the tallest marble-clad building in the world; years later, Chicago's extreme weather would turn its beautiful exterior into a death-trap.

Individuals harness the speed, strength, and skills required to blow the lid off the internet; outrageous bungee jumps and powerful drones that can fly and swim.

In 1973, the Aon Center became the tallest marble-clad building in the world; years later, Chicago's extreme weather would turn its beautiful exterior into a death-trap.

In 2006, a fatal collapse in one of Boston's tunnels put an ambitious project in doubt; experts reveal what caused this engineering disaster and how it was fixed.

Individuals harness the speed, strength, and skills required to blow the lid off the internet; outrageous bungee jumps and powerful drones that can fly and swim.

In 2006, a fatal collapse in one of Boston's tunnels put an ambitious project in doubt; experts reveal what caused this engineering disaster and how it was fixed.

Burning lights in the skies above Nevada and Utah could be signs of a secret space weapons project; mysterious trails on the lunar surface near the Apollo landing sites.

Something in space is attacking astronaut's brains; NASA might be worried about the sudden appearance of so-called space fireflies.

Examining how an astronaut on a spacewalk begins to drown; NASA scientists may have uncovered an asteroid that's been converted into a spacecraft.

Scientists have discovered a mysterious ninth planet ten times the size of Earth on the very edge of the solar system; this strange world could have moons with extraterrestrial life.

The first close-up images of Pluto reveal unimaginable secrets; scientists investigate if Pluto is home to a warm ocean of liquid water beneath its surface and whether this underground ocean could harbor life.

Atlantis is one of the most famous disappearances of all time; after thousands of years, state-of-the-art technology might finally be able to crack this ancient mystery; after nine hikers die in a gruesome cold case, new science provides a hot lead.

A huge cargo ship suddenly vanishes with 27 crew members on board; new evidence suggests the culprit may be a mythical rogue wave; recently discovered evidence could prove the existence of a ghost ship in the Californian desert.

New technology reveals lost cities in inhospitable jungle; researchers wonder if the mythical city of El Dorado could be the next discovery; after a crystal is found on a shipwreck, experts believe it could prove how the Vikings discovered America.

In 2009, an Air France flight goes missing, and investigators discover this tragedy could happen again; after a huge area of Siberian forest is destroyed, investigators race to find the culprit; new evidence might solve this century-old mystery.

In 2014, Malaysia Airlines flight MH370 vanishes; rescue crews search its last known position but find nothing; the fate of the flight remains a mystery; theories abound but facts are few.

In 1962, three convicts attempt the impossible and escape from Alcatraz prison; officials believe the men drowned, but a new scientific experiment suggests they made it to shore.

The Roanoke colony vanishes without a trace, and centuries later, it remains one of history's greatest unsolved mysteries; but new evidence might at last reveal its fate; after a man is swallowed by earth, experts wonder if a sinkhole is to blame.

An abandoned town in the Nevada desert is the ruins of an American Atlantis, destroyed by catastrophic floods when the Hoover Dam was built; experts investigate the secrets of this eerie ghost town as water levels recede and the city reemerges.

The ruins of an abandoned prison are evidence of a chaotic riot that put the prisoners in charge; special access to its burnt-out interior reveals how inmates took over Ireland's Alcatraz and why it is deserted today.

The bizarre remnants of a housing complex lie mysteriously deserted in an Ohio industrial town; experts investigate and uncover the dark, turbulent past of an oppressive steel company and labor strikes that resulted in deadly riots.

An opulent chateau perched in the middle of a lake now stands dilapidated in the Loire Valley of France; experts investigate and uncover the remains of a festering palace whose owner was labeled a traitor by France's most notorious king.

A looming skyscraper that was once an exclusive residential complex turns into a dystopian ruin in Johannesburg, South Africa; experts investigate and uncover a symbolic structure of urban decay under the shameful shadow of apartheid.

The ruins of a coastal fortress sit atop a jagged outcrop along the beaches of Wales; experts investigate and uncover a derelict 19th-century British fortification that housed a series of occupants, including an exotic, private zoo.

An opulent chateau perched in the middle of a lake now stands dilapidated in the Loire Valley of France; experts investigate and uncover the remains of a festering palace whose owner was labeled a traitor by France's most notorious king.

A looming skyscraper that was once an exclusive residential complex turns into a dystopian ruin in Johannesburg, South Africa; experts investigate and uncover a symbolic structure of urban decay under the shameful shadow of apartheid.

The ruins of a coastal fortress sit atop a jagged outcrop along the beaches of Wales; experts investigate and uncover a derelict 19th-century British fortification that housed a series of occupants, including an exotic, private zoo.

The bizarre remnants of a housing complex lie mysteriously deserted in an Ohio industrial town; experts investigate and uncover the dark, turbulent past of an oppressive steel company and labor strikes that resulted in deadly riots.

In 1962, three convicts attempt the impossible and escape from Alcatraz prison; officials believe the men drowned, but a new scientific experiment suggests they made it to shore.

The Roanoke colony vanishes without a trace, and centuries later, it remains one of history's greatest unsolved mysteries; but new evidence might at last reveal its fate; after a man is swallowed by earth, experts wonder if a sinkhole is to blame.

NASA could be responsible for a nuclear explosion on Jupiter; new evidence could finally reveal the truth behind the mystery of the face on Mars; looking at the unknown force that crashed a spacecraft from the Apollo program.

A Russian probe uncovers something has disturbed the lunar soil before the US or the USSR got there; scientists may have detected a laser signal from a planet capable of supporting life.

Lost tapes show that Apollo astronauts heard unexplained transmissions on the far side of the moon; an amateur astronomer finds an odd disturbance in Martian atmosphere; an unidentified object in Earth orbit starts stalking Russian spacecraft.

The history of the Universe lies beneath the hood of your car; The iron in your chassis, the gold in your stereo and the copper in your electronics all owe their existence to violent cosmic events that took place billions of years ago.

Huge magnetic bubbles millions of miles wide; strange invisible matter, and a death star tearing through bands of icy comets, flinging them into violent orbits.

Scientists attempt to understand how this strange force of magnetism works.

Hollywood actor Peter Stormare and Elroy Balgaard begin a brand-new excavation at the mysterious Runestone Hill.

Hollywood actor Peter Stormare and Elroy Balgaard investigate new leads, and when they meet a Native American professor who provides new information, they realize they must expand their investigation to the East Coast.

While the excavation continues Peter and Elroy go back to their investigation to clear Olof's name; they meet a Native American professor who gives them some new knowledge about the history of the area and his tribe.

Investigating a set of runestone relics that could reveal new truths about the mysterious Kensington Runestone.

Hollywood actor Peter Stormare and Elroy Balgaard investigate a theory that the Knights Templar were in America; new discoveries lead them deeper into a web of secret symbols and intrigue.

They finally get to see the famous Maine Penny and their visit to the Maine State Museum opens their minds to new possibilities; afterwards they meet anthropologist Harald Prins.

After satellites spot an anomaly at Egypt's oldest pyramid, experts uncover a long-lost labyrinth that could lead them to the darkest secrets of Imhotep, the mysterious high priest who built the strange complex.

When satellites spot a strange, 2,000-year-old structure in Wales, some suspect it holds a secret connection to King Arthur; using modern-day technology and ancient texts, experts investigate new leads that could point to the mythical Round Table.

New satellite evidence shows a mysterious spiral structure from space, and experts think it could be the lost city of Atlantis; using cutting-edge technology, they investigate the truth behind this odd phenomenon.

When instruments on the International Space Station suddenly malfunction every time it passes over a mysterious site in the Atlantic Ocean, experts investigate if this eerie behavior is more than just a tech glitch, but a prophecy of global doomsday.

When an island off the coast of Mexico suddenly disappears, government officials scramble to find an explanation.

Mysterious circles of reindeer appear in the remote tundra of Sweden; experts investigate if this strange event could be evidence of fatal aftershocks from the Chernobyl nuclear disaster.

When instruments on the International Space Station suddenly malfunction every time it passes over a mysterious site in the Atlantic Ocean, experts investigate if this eerie behavior is more than just a tech glitch, but a prophecy of global doomsday.

When an island off the coast of Mexico suddenly disappears, government officials scramble to find an explanation.

Mysterious circles of reindeer appear in the remote tundra of Sweden; experts investigate if this strange event could be evidence of fatal aftershocks from the Chernobyl nuclear disaster.

New satellite evidence shows a mysterious spiral structure from space, and experts think it could be the lost city of Atlantis; using cutting-edge technology, they investigate the truth behind this odd phenomenon.

Hollywood actor Peter Stormare and Elroy Balgaard investigate a theory that the Knights Templar were in America; new discoveries lead them deeper into a web of secret symbols and intrigue.

They finally get to see the famous Maine Penny and their visit to the Maine State Museum opens their minds to new possibilities; afterwards they meet anthropologist Harald Prins.

Adam and Jamie, along with Al Jean, the executive producer of.

Adam and Jamie attempt the mechanical metamorphosis of a car becoming a motorcycle and a bicycle becoming a boat.

Jamie and Adam take on the science of the.

Adam and Jamie tackle two flights of fantasy.

In 2013, the USS Jimmy Carter deployed on a classified mission that received a presidential citation of heroism.

Presidential Emergency Action Documents have the potential to grant the U.S. president unlimited authority; Mike Baker investigates how these files are among the most secretive documents in U.S. government and what might trigger their use.

Uncovered documents reveal a black file containing studies of werewolves, sprites and floating orbs; Mike Baker investigates how the U.S. government may have funded a classified program directly focused on the research of paranormal phenomena.

Many U.S. government personnel have reported sustaining unexplained and debilitating neurological injuries while working abroad; Mike Baker investigates if these invisible, mind-altering attacks are evidence of active mind-control programs worldwide.

In the aftermath of the 9/11 attacks, a series of secret meetings were reported between US military brass and Hollywood filmmakers.

Unidentified black triangles have been reported in flight over top-secret military bases for decades, and now, Mike Baker investigates if the US government is involved in developing experimental aircraft, or if this could be something otherworldly.

Former CIA operative Mike Baker investigates top-secret government programs steeped in cutting-edge science; Mike speaks with experts, government officials and scientists to go deeper into the black files than ever before.

A look at how asteroids and comets have endured unimaginable periods of time and revealed the origins of the solar system.

Saturn is the the crown jewel of the solar system, and using the latest discoveries, some of the world's top experts seek to unravel the mystery of why its extensive ring system exists and if any of its many moons could harbor alien life.

Saturn is the the crown jewel of the solar system, and using the latest discoveries, some of the world's top experts seek to unravel the mystery of why its extensive ring system exists and if any of its many moons could harbor alien life.

The world's top space scientists use stunning images from space to reveal the secrets that the planets have kept for billions of years.

Venus is a hellish alien world believed to be impossible to extraterrestrial life; but new discoveries reveal shocking evidence within its deadly atmosphere and on its strange surface, all pointing to a possible future for planet Earth.

A team of scientists launch a probe to touch the sun and make a surprise discovery on the tiny planet Mercury.

Humanity's conquest of Mars became a reality with the Viking missions of the 1970s, and some experts believe that evidence gathered from these incredible explorations proves that there was once life on the Red Planet.

Venus is a hellish alien world believed to be impossible to extraterrestrial life; but new discoveries reveal shocking evidence within its deadly atmosphere and on its strange surface, all pointing to a possible future for planet Earth.

A team of scientists launch a probe to touch the sun and make a surprise discovery on the tiny planet Mercury.

Humanity's conquest of Mars became a reality with the Viking missions of the 1970s, and some experts believe that evidence gathered from these incredible explorations proves that there was once life on the Red Planet.

The world's top space scientists use stunning images from space to reveal the secrets that the planets have kept for billions of years.

Former CIA operative Mike Baker investigates top-secret government programs steeped in cutting-edge science; Mike speaks with experts, government officials and scientists to go deeper into the black files than ever before.

A look at how asteroids and comets have endured unimaginable periods of time and revealed the origins of the solar system.

Adam and Jamie tackle fan favorites; video games; grenades; spy cars; super-fast firearms.

Adam and Jamie test whether or not hands-free driving is a safe way to make a call while behind the wheel.

Adam and Jamie blow up a boat with 1,000 lbs. of high explosive; homemade machine gun from the.

Patterned glass panels; road cases; stop-frame animation.

Industrial wire ropes; living walls; large format cameras; gemstones.

Chocolate coins; floor heating systems; pedal cars; playground equipment.

Farmed caviar; intake manifolds, motorcycle jackets; forged spades.

How traffic signal poles, coffee filters and chainsaw mining machines are made.

Time delay locks; brownies; pallet dispensers.

Bead wire; mini pepperoni; irrigation sprinklers.

Mouth-blown window glass; water pumps; sake.

How everyday items are made.

Discovering how gears, leather watchbands, Vitrelle dishes, and kitchen scissors are made.

Pressure cookers; mechanical singing birds; oceanographic buoys; stainless steel tank trailers.

Aluminum boats; alpine horns; luxury watches.

The secret Victorian engineering which built the Palace of Westminster and how it gave birth to today's modern skyscrapers.

The sprawling city of Persepolis was capital to the first imperial civilization that conquered most of the known ancient world; experts use advanced forensic archaeology to reveal the secrets behind Persia's mysterious and dominating metropolis.

A medieval engineering project might be the home to the remains of the Bible's Three Magi.

The secrets of the world's oldest sunken city are lost to history, but hi-tech underwater archaeology answers questions that books cannot; experts explore sunken ruins and reveal new discoveries about one of the first great empires.

King Midas and his legendary golden touch is one of the most famous tales in Greek mythology; using advanced archaeological methods, experts travel deep inside mysterious ancient mounds to investigate the truth behind the myth.

The magnificent tomb of Alexander the Great mysteriously vanishes and becomes a legend; using CGI, investigators piece together the evidence to reveal where his tomb lies and what it might look like.

Julius Caesar's relentless pursuit of power positioned him against a mighty rebel force that fought the infamous Roman general at his own game; now, archaeologists investigate the truth behind key moments that took Caesar to the brink of defeat.

The Great Wall of China is the biggest man-made structure on Earth; the scientific mission to reveal the ancient secrets about the fortified wall.

Julius Caesar's relentless pursuit of power positioned him against a mighty rebel force that fought the infamous Roman general at his own game; now, archaeologists investigate the truth behind key moments that took Caesar to the brink of defeat.

The Great Wall of China is the biggest man-made structure on Earth; the scientific mission to reveal the ancient secrets about the fortified wall.

The magnificent tomb of Alexander the Great mysteriously vanishes and becomes a legend; using CGI, investigators piece together the evidence to reveal where his tomb lies and what it might look like.

The sprawling city of Persepolis was capital to the first imperial civilization that conquered most of the known ancient world; experts use advanced forensic archaeology to reveal the secrets behind Persia's mysterious and dominating metropolis.

A medieval engineering project might be the home to the remains of the Bible's Three Magi.

Astronauts evacuate when a mystery object hurtles toward the ISS; a NASA secret agent goes undercover to retrieve missing moon rocks; scientists struggle to find answers when they discover a huge void at the edge of the solar system.

Two astronauts trapped in the vacuum of space face a horrible death; the first close up images of Pluto show an alien landscape; residents of Houston struggle to explain videos of unidentified flying lights captured above their city at night.

Recently discovered documents show NASA's secret plan B for failure of the first moon landing; a Soyuz capsule carrying NASA astronaut Peggy Whitson back to Earth goes missing; NASA's Cassini mission unravels a three hundred year old.

There is a planet in the solar system covered in thick, dense clouds and roasted by colossal temperatures, and is a vision of Earth's future; taking a look at Venus to understand how Earth will be destroyed.

Discovering how life on Earth came to be; the possibility that life on Earth come from another planet.

Legend has it that Japanese soldiers buried a vast collection of valuable relics and gold in the jungle during the last days of World War II; expert treasure hunters follow new leads in search of this long-lost plunder.Guests: Lionel Fanthorpe..

Jamie Theakston investigates Johann Reichhart, a German executioner who killed approximately 3,000 people during World War II.

The extraordinary story of the Bulgarian secret department called Service 7, a force that operated in 9 countries.

Mystery still surrounds how fascist dictator Benito Mussolini met his end, before being hanged.

As the Nazi war machine tore through Europe, they plundered museums in search of holy relics that would grant them untold power and prestige; experts investigate how close Hitler was to discovering the Holy Grail and its promise of eternal life.Guests: Lionel Fanthorpe..

The aerial bombardment of the Japanese fleet and the torpedo strike of the Wilhelm Gustloff are two of the most shocking attacks of WWII; expert divers explore these underwater graveyards for new evidence of these maritime conflicts.

Countless shipwrecks lost in the depths of the oceans are time capsules containing tales of adventure and tragedy; now, marine experts hunt to locate these forgotten ships, explore their secrets and unlock their incredible stories.

The USS Arizona and the HMS Hood were two of the most powerful warships in history, but their weaknesses paid a fatal price; experts investigate evidence that may reveal why the age of the battleship has come to a sudden and violent end.

More than 50 massive warships were lost in a matter of hours in the Scottish natural harbor of Scapa Flow during World War I; now, marine archaeologists use cutting-edge technology to explore one of the greatest acts of defiance in wartime history.

For over a century, the stories and wrecks of HMS Hampshire and HMS Vanguard continue to be shrouded in mystery; two research teams are granted special access to investigate and uncover what happened to these WWI warships in their final moments.

As shipwrecks of World War II continue to erode in the sea, their toxic cargoes continue to pose a catastrophic threat; now, experts use cutting-edge tech to investigate and reveal the potential impact of these noxious underwater dangers.

The wreckages of three German U-boats are eroding at the bottom of the sea along with the stories behind their disastrous fate; now, a team of maritime archaeologists race to locate the submarines and solve the mystery behind their deadly demise.

For over a century, the stories and wrecks of HMS Hampshire and HMS Vanguard continue to be shrouded in mystery; two research teams are granted special access to investigate and uncover what happened to these WWI warships in their final moments.

As shipwrecks of World War II continue to erode in the sea, their toxic cargoes continue to pose a catastrophic threat; now, experts use cutting-edge tech to investigate and reveal the potential impact of these noxious underwater dangers.

The wreckages of three German U-boats are eroding at the bottom of the sea along with the stories behind their disastrous fate; now, a team of maritime archaeologists race to locate the submarines and solve the mystery behind their deadly demise.

More than 50 massive warships were lost in a matter of hours in the Scottish natural harbor of Scapa Flow during World War I; now, marine archaeologists use cutting-edge technology to explore one of the greatest acts of defiance in wartime history.

As the Nazi war machine tore through Europe, they plundered museums in search of holy relics that would grant them untold power and prestige; experts investigate how close Hitler was to discovering the Holy Grail and its promise of eternal life.Guests: Lionel Fanthorpe..

The aerial bombardment of the Japanese fleet and the torpedo strike of the Wilhelm Gustloff are two of the most shocking attacks of WWII; expert divers explore these underwater graveyards for new evidence of these maritime conflicts.

Neil Armstrong enters an unexplained spin; an Apollo 17 photo seems to show a US military outpost on the Moon; possible alien life swimming in the oceans of Jupiter's moons.

When a Chinese moon rover breaks down, a scientist at NASA points to a mysterious material that seemed to sabotage the Apollo missions decades earlier; the Rosetta spacecraft discovers a comet that appears to be singing.

Three cosmonauts mysteriously die as they re-enter Earth's atmosphere and NASA needs to know why; a declassified document shows a CIA plan to use a space disaster as a cover to start World War 3.

A look inside the supermassive black hole in the center of the Milky Way to discover terrifying secrets about parallel universes, wormholes, and space-time.

Scientists attempt to understand how this strange force of magnetism works.

American diplomats stationed in Cuba begin to experience a bizarre mixture of noxious neurological symptoms and seem to be under a mysterious attack; experts use cutting-edge forensic science to determine if a sinister, sonic weapon is at play.

Three inmates are said to have escaped from Alcatraz prison, but even today, it's never been proven; new evidence might finally crack this notorious cold case, as experts use forensic science and cutting-edge technology to investigate fresh leads.

Using cutting-edge forensic analyses, some of the world's leading investigative experts uncover the stunning truth behind compelling mysteries from ancient times to the recent past.

Beneath Yellowstone National Park is one of the world's largest active volcanoes, and it's poised to erupt at any moment; experts use seismic technology and visual imaging to reveal its catastrophic threat.

Brand-new evidence reveals the secrets of a Nazi program to build a nuclear bomb; using cutting-edge science and technology, experts uncover classified files that reveal how close Hitler came to this terrifying super weapon.

A nuclear submarine goes missing while spying on Soviet maneuvers, and its wreckage is found on the ocean floor.

The Shroud of Turin is alleged to be the burial cloth of Jesus Christ; forensic analysis is used to determine the truth.

A camera captures a person inexplicably bursting into flames; an ancient statue at a museum appears to come to life at night; an alien-like creature is filmed in the sewers; eerie lights caught on camera may explain a mysterious death.

A man survives two lightning strikes; cameras spot strange lights in the sky in Norway, turning a remote area into a UFO hot spot; a bizarre glowing object is caught on tape at a museum, and some wonder if it's an alien artifact.

Marine scientists discover a gruesome underwater death zone that seems to kill anything that dares to enter; apocalyptic skies appear during a deadly earthquake in Ecuador and residents fear it's the end of days.

A police chase ends when the fugitive makes an impossible getaway; deep in Louisiana, a swamp devours 100-foot trees, and experts worry that a nearby town could be next; three cars are recorded mysteriously levitating at a busy intersection.

An eerie creature is recorded stalking Georgia's ancient forest, and some believe it's Bigfoot; terrifying explosions rock the streets of Manhattan; cameras record a mysterious object diving into a deadly volcano, leaving experts stumped.

A strange beast is spotted in a remote Brazilian town; a cataclysmic blast sparks fears of nuclear disaster; when a child displays superhuman powers, some fear it's the devil's work.

A police chase ends when the fugitive makes an impossible getaway; deep in Louisiana, a swamp devours 100-foot trees, and experts worry that a nearby town could be next; three cars are recorded mysteriously levitating at a busy intersection.

An eerie creature is recorded stalking Georgia's ancient forest, and some believe it's Bigfoot; terrifying explosions rock the streets of Manhattan; cameras record a mysterious object diving into a deadly volcano, leaving experts stumped.

A strange beast is spotted in a remote Brazilian town; a cataclysmic blast sparks fears of nuclear disaster; when a child displays superhuman powers, some fear it's the devil's work.

Marine scientists discover a gruesome underwater death zone that seems to kill anything that dares to enter; apocalyptic skies appear during a deadly earthquake in Ecuador and residents fear it's the end of days.

A nuclear submarine goes missing while spying on Soviet maneuvers, and its wreckage is found on the ocean floor.

The Shroud of Turin is alleged to be the burial cloth of Jesus Christ; forensic analysis is used to determine the truth.