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

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.

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.

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.

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.

An image of a pilot donning a Red Eagles patch is captured by photographers during a mysterious fighter jet training exercise; Mike Baker investigates if the U.S. Air Force has revived a black file squadron.

The Nazca Lines are alien-looking symbols carved into a remote desert more than a thousand years ago, and new discoveries might finally reveal what these strange images mean and if they explain the disappearance of the people who made them.

There's a lost city buried in the Sahara, and evidence reveals it's home to Nefertiti, Tutankhamun, and the forbidden god of an outlawed religion; experts use cutting-edge tech to uncover the secret doomsday that caused this place to disappear.

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 Lighthouse of Alexandria is one of the world's original Seven Wonders, but it could have been home to a mysterious superweapon, and using cutting-edge tech, experts investigate the secrets of this fabled death ray and its long-lost home.

New discoveries on a strange island in the Mediterranean might offer new clues in the hunt for Atlantis; experts reveal the apocalyptic event that destroyed this long-lost civilization.

The lost city of Olous: A great metropolis submerged in the Mediterranean; archaeologists uncover its secrets using pioneering technology and CGI reconstruction.

The Silk Road was the ancient trade route that connected Eastern and Western worlds. The road traveled through many countries and was a source of ancient mystery. Even today, the road is shrouded in mystery.

The lost city of Olous: A great metropolis submerged in the Mediterranean; archaeologists uncover its secrets using pioneering technology and CGI reconstruction.

The Silk Road was the ancient trade route that connected Eastern and Western worlds. The road traveled through many countries and was a source of ancient mystery. Even today, the road is shrouded in mystery.

New discoveries on a strange island in the Mediterranean might offer new clues in the hunt for Atlantis; experts reveal the apocalyptic event that destroyed this long-lost civilization.

The Nazca Lines are alien-looking symbols carved into a remote desert more than a thousand years ago, and new discoveries might finally reveal what these strange images mean and if they explain the disappearance of the people who made them.

There's a lost city buried in the Sahara, and evidence reveals it's home to Nefertiti, Tutankhamun, and the forbidden god of an outlawed religion; experts use cutting-edge tech to uncover the secret doomsday that caused this place to disappear.

The team tests some Alaskan anecdotes.

Adam and Jamie test ninja myths; they try to determine whether the one-inch punch really works and if a ninja can catch an arrow in mid-air.

The team examines viral videos from the internet; they try to find out if people truly believe what they see.

An investigation into how stile and rail doors, steam cleaners, hand-held pizza and power brushes are made.

Wondering how objects like industrial casters, custom wedding cakes, terahertz spectrometers and racing catamarans are made.

Dive into how ceramic grills, punching machines, jet fountains and hollow wooden surfboards are made.

An insight into how vibrating mining screens, whoopie pies, wood utility poles and roller conveyors are made.

Examining how items such as ski goggles, tower cranes, porcelain figurines and diesel engines are manufactured.

More everyday items are put under the microscope, offering insight into how stuffed olives, astrolabes and western saddles are made.

Custom running shoes; axes; racing karts; animatronics.

More everyday items are put under the microscope as we discover how headphones, diving regulators and reflector light bulbs are made.

Explores the production processes for kelp caviar, luxury sailboats, dental crowns and high-performance engines.

Leather briefcases; crop-dusters; corn whiskey; drag-racing clutches.

Follow the amazing manufacturing processes behind train rails, desalinated water, racing wheelchairs and parquetry flooring.

Follow the amazing manufacturing processes behind flight simulators, traditional bookbinding, greenhouse tomatoes and hurricane-proof shutters.

A mysterious cave system is home to some of the oldest human remains ever discovered, and today, the explorers and researchers investigating this site are uncovering shocking evidence of cannibalism among its Ice Age denizens.

A strange underground system known as the Black Cave is connected to a fairytale castle and was home to an infamous nobleman on the run from the law; experts investigate the secrets he left here to discover new parts of this mysterious network.

A hidden, subterranean city built within the Rock of Gibraltar is an immense fortress to control the seas during World War II; new discoveries reveal the secrets of a long-lost chamber with evidence of high-stakes espionage.

A strange, centuries-old labyrinth built into an abandoned quarry was built by an eccentric millionaire, and no one knows why; but now, a new excavation into this mysterious 9,000-foot tunnel system might finally reveal its dark secrets.

The world's biggest labyrinth is a 1,553-mile cave system that's home to some of history's darkest mysteries, and new discoveries at this strange place reveal the long-lost secrets of Nazi occupation, Soviet revolution, and Cold War subterfuge.

The top-secret construction of a massive nuclear bunker remained concealed under a palatial West Virginia hotel for decades; experts reveal how this vast subterranean structure was one of the most closely guarded Cold War secrets in U.S. history.

Scientist use cutting-edge technology to explore the supervolcano that lies beneath Yellowstone National Park.

A vast system of tunnels built almost 3,000 years ago was the site of the greatest battles of antiquity, and these disorienting passages could be the deadliest weapon in war; experts reveal what made this underground world so terrifying.

Scientist use cutting-edge technology to explore the supervolcano that lies beneath Yellowstone National Park.

A vast system of tunnels built almost 3,000 years ago was the site of the greatest battles of antiquity, and these disorienting passages could be the deadliest weapon in war; experts reveal what made this underground world so terrifying.

The top-secret construction of a massive nuclear bunker remained concealed under a palatial West Virginia hotel for decades; experts reveal how this vast subterranean structure was one of the most closely guarded Cold War secrets in U.S. history.

A strange underground system known as the Black Cave is connected to a fairytale castle and was home to an infamous nobleman on the run from the law; experts investigate the secrets he left here to discover new parts of this mysterious network.

A hidden, subterranean city built within the Rock of Gibraltar is an immense fortress to control the seas during World War II; new discoveries reveal the secrets of a long-lost chamber with evidence of high-stakes espionage.

Searching for people who live to wield their power; super-charged power trippers drop giant knives from cranes, take aim at explosive-packed refrigerators, and pull off the world's first skydive from a drone.

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.

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.

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.

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.

Cosmic rays capable of destroying human DNA are hurtling through outer space like subatomic bullets, causing space crews radiation damage.

No one knows how Harry Houdini pulled off his death-defying escapes, but, now, a team of experts investigate his water torture illusion to reveal the secrets of this mysterious feat.

The bullet catch is one of the deadliest tricks in magic history, and no one knows if Houdini pulled off the illusion; a team of experts re-creates the famed trick to uncover how Houdini could have pulled off the feat that killed many of his peers.

One of Houdini's greatest escapes might have been a deep-cover conspiracy to spy for the American government, and experts recreate his break from a Siberian prison transport to investigate the mysteries behind this incredible feat.

Houdini's mysterious sudden death might not have been an accident, and experts re-create his buried alive escape to reveal how this deadly feat was performed and if the great magician was killed by forces far more insidious.

Clayton Phipps and his son Luke put it all on the line for a risky raptor fossil buried under 30 feet of earth. And the Harrises decide to go for broke to prep their multi-million dollar T-Rex skull.

Clayton and Luke begin to excavate the deep overburden that covers the Tyrannosaurus rex site; while Mike Harris travels to Utah to prep the Cowboy rex skull, Aaron, Jake and Tori think they're on a bucket-list discovery at the Duckbill site.

When a wildfire surrounds his hometown, Clayton Phipps drops everything to help fight the flames; the Harris-Bolan crew excavates a new Triceratops' site; and the Abercrombie family discovers a mammoth fossil map on its ranch in New Mexico.

Hoping to salvage his season, Clayton Phipps hunts for valuable Trike horns, while Mike Harris and his team believe they might be on to a world-record find. And fossil hunter Andre Lujan follows a 90 year-old map to a massive mammoth site.

Clayton Phipps makes a shocking discovery at the Trike site; the Harris-Bolan crew unearths what it believes might be an extremely rare Ceratopsian; on the Abercrombie ranch, Andre Lujan digs up an enormous ice age mammoth tusk.

With winter looming, Clayton and Luke race to excavate two massive trike skulls, while the Harris-Bolan crew searches for a crucial missing femur for their rare ceratopsian; on the Abercrombie Ranch, Andre discovers a mother-lode of Ice Aged bones.

Clayton gets news about the Nano sale and as a winter storm barrels in, he races to extract a rare trike tail; the Harris-Bolans have finally found evidence of Cerotopsian skull; and on the Abercrombie ranch, Andre struggles to excavate a big tusk.

When a valuable fossil is trapped in a precarious location, Clayton brings in a team of horses and a helicopter to help extract it. Mike comes face-to-face with Cowboy Rex, and Andre makes a difficult decision to save the Abercrombie's mammoth.

With winter looming, Clayton and Luke race to excavate two massive trike skulls, while the Harris-Bolan crew searches for a crucial missing femur for their rare ceratopsian; on the Abercrombie Ranch, Andre discovers a mother-lode of Ice Aged bones.

Clayton gets news about the Nano sale and as a winter storm barrels in, he races to extract a rare trike tail; the Harris-Bolans have finally found evidence of Cerotopsian skull; and on the Abercrombie ranch, Andre struggles to excavate a big tusk.

When a valuable fossil is trapped in a precarious location, Clayton brings in a team of horses and a helicopter to help extract it. Mike comes face-to-face with Cowboy Rex, and Andre makes a difficult decision to save the Abercrombie's mammoth.

Clayton Phipps makes a shocking discovery at the Trike site; the Harris-Bolan crew unearths what it believes might be an extremely rare Ceratopsian; on the Abercrombie ranch, Andre Lujan digs up an enormous ice age mammoth tusk.

Clayton Phipps and his son Luke put it all on the line for a risky raptor fossil buried under 30 feet of earth. And the Harrises decide to go for broke to prep their multi-million dollar T-Rex skull.

Clayton and Luke begin to excavate the deep overburden that covers the Tyrannosaurus rex site; while Mike Harris travels to Utah to prep the Cowboy rex skull, Aaron, Jake and Tori think they're on a bucket-list discovery at the Duckbill site.

A man eaten alive by leaches; a rainbow at night; a man who pulls a car with his eye sockets.

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.

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 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 and rogue stars.

A Russian Infantryman fights an unknown presence in a Chechnyan forest.

An intelligence analyst on a secret mission makes an unearthly discovery.

An unearthly presence at a nuclear launch site in Cyprus visits a UN peacekeeper and helps him fight off a deadly enemy.

An Infantryman encounters an otherworldly presence on a training mission.

U.N. Peacekeeper develops a mysterious power to fight off a deadly foe.

A Russian soldier describes being lured into a swamp by an unnatural entity; an Ohio military base with a UFO connection; an interview with a US Air Force colonel whose alien-craft sightings are finally confirmed.

A Navy seaman experiences strange events in the heart of the Bermuda Triangle; an Air Force Staff Sergeant is confronted by an otherworldly being in Iraq; a tech sergeant discovers a haunting visitor in her air base house.

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.

Security cameras in an underground parking garage capture an empty car starting and moving as if driven by a ghost; experts investigate and discover a sinister threat that might put any vehicle at risk.

A bizarre, tentacled black mass emerges from the seas on an island in the Caribbean, and on-lookers are horrified as it writhes ashore; experts use cutting-edge tech to investigate the origin of this alien invader.

Two young men capture a ghostly figure that begins chasing them on a deserted road in the mountains of Jordan; experts investigate and uncover local tales of black magic practitioners and demonic entities with supernatural powers.

When footage reveals a man's leg taking on a life of its own, it appears that something alien is trying to burst free; cutting-edge science investigates what explains this strange possession, and what it takes to exorcise the invader inside.

A bizarre explosion is captured that morphs into a sinister black ring of smoke above a California football stadium; experts investigate and uncover an underground network of Satanists with connections to a string of modern-day terrorist plots.

Two young men capture a ghostly figure that begins chasing them on a deserted road in the mountains of Jordan; experts investigate and uncover local tales of black magic practitioners and demonic entities with supernatural powers.

When footage reveals a man's leg taking on a life of its own, it appears that something alien is trying to burst free; cutting-edge science investigates what explains this strange possession, and what it takes to exorcise the invader inside.

A bizarre explosion is captured that morphs into a sinister black ring of smoke above a California football stadium; experts investigate and uncover an underground network of Satanists with connections to a string of modern-day terrorist plots.

A bizarre, tentacled black mass emerges from the seas on an island in the Caribbean, and on-lookers are horrified as it writhes ashore; experts use cutting-edge tech to investigate the origin of this alien invader.

A Russian soldier describes being lured into a swamp by an unnatural entity; an Ohio military base with a UFO connection; an interview with a US Air Force colonel whose alien-craft sightings are finally confirmed.

A Navy seaman experiences strange events in the heart of the Bermuda Triangle; an Air Force Staff Sergeant is confronted by an otherworldly being in Iraq; a tech sergeant discovers a haunting visitor in her air base house.

Garage innovators take things to the next level; using fire to charge cell phones; turning garbage into boats; creating the world's fastest electric dragster.

After NASA's New Horizons spacecraft flies by Pluto, it encounters a strange alien world that shuts down the probe's computers; experts investigate if the mysterious object is an alien spacecraft hiding at the edge of the solar system.

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

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 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.

Tragedy strikes in Cincinnati as a sudden bridge collapse leaves one of America's busiest highways at a complete standstill; using scientific methods, expert engineers investigate and reveal how a routine demolition unfolded so disastrously wrong.

A catastrophic construction disaster causes a casino parking garage to collapse with fatal consequences in Atlantic City; using the latest science, experts investigate and uncover evidence of missing reinforcements vital for structure stability.

A devastating railroad inferno takes down a vital route on a historic river crossing in Arizona; using the latest cutting-edge technology, experts investigate the remaining incinerated evidence to determine what caused such a disastrous derailment.

Catastrophe strikes as one of America's most vital freeway intersections erupts in flames and completely collapses in San Francisco; experts use the latest science to investigate how an overturned tanker truck spawned a devastating inferno.

A flash flood catastrophe brings one of America's most vital highways to a complete standstill in the California desert; using scientific methods, expert engineers investigate and discover how its bridge foundations lacked a crucial element.

The deepest-diving submersible vessel in the world is one of the most intricately designed craft that has ever been engineered for the sea, and having reached the bottom of each of the five oceans, this submarine's accomplishments are monumental.

The Singapore National Stadium is a gigantic multipurpose arena that all sits under the world's largest free-spanning dome; expert engineers reveal how this cutting-edge design marks the dawn of a new age in superstructure construction.

The Global Supertanker is the largest firefighting aircraft in the world and equipped to reach the biggest blazes anywhere; expert engineers reveal how this machine is a vital tool for supporting firefighters on the ground.

The US military's most advanced hovercraft represents the next generation of amphibious transport vehicles, and using the latest in cutting-edge tech, it's designed to carry the heaviest cargo into locations that were previously impossible to reach.

The abandoned Battersea Power Station on the banks of the River Thames is being reinvented into a stunning centerpiece of London; experts use cutting-edge construction techniques to transform this historic landmark into a pioneering new destination.

When dams break, devastation follows; Derna, Malpasset, Brumadinho, three disasters that turned engineering failures into mass tragedies.

The Queensferry Crossing in Scotland marks a new age of superstructure construction.

The Rosalind Franklin Mars rover is a brand-new space mission to discover hard evidence of extraterrestrial life; special access reveals how engineers and experts are making a new age in exploration possible.

When dams break, devastation follows; Derna, Malpasset, Brumadinho, three disasters that turned engineering failures into mass tragedies.

The Queensferry Crossing in Scotland marks a new age of superstructure construction.

The Rosalind Franklin Mars rover is a brand-new space mission to discover hard evidence of extraterrestrial life; special access reveals how engineers and experts are making a new age in exploration possible.

The abandoned Battersea Power Station on the banks of the River Thames is being reinvented into a stunning centerpiece of London; experts use cutting-edge construction techniques to transform this historic landmark into a pioneering new destination.

The deepest-diving submersible vessel in the world is one of the most intricately designed craft that has ever been engineered for the sea, and having reached the bottom of each of the five oceans, this submarine's accomplishments are monumental.

The Singapore National Stadium is a gigantic multipurpose arena that all sits under the world's largest free-spanning dome; expert engineers reveal how this cutting-edge design marks the dawn of a new age in superstructure construction.

Showcasing the web's most destructive minds, people using science to master mayhem; reveling in the chaos with epic railguns, incredible punching robots, and amazing bowling ball launchers.

When NASA begins a strange experiment to communicate with dolphins, experts investigate if it's a prelude to making alien contact; some fear that such a discovery could have apocalyptic consequences.

When astronomers discover a rogue black hole speeding through the Milky Way, they investigate how much danger this cosmic monster poses to Earth, and what would happen if it ever entered our solar system.

New discoveries reveal an astonishing supermassive black hole that was born during the earliest days of the cosmos, and finding out how this giant grew so large so quickly may help to explain the very formation of the universe itself.

White dwarfs are small, dead stars with a dangerous side, and they are capable of exploding into supernovas and destroying planets; new research suggests these mysterious phenomena may be the key to understanding the universe itself.

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.

This Caribbean mecca for rock legends was envisioned by famous Beatles producer George Martin; although many legendary records were made there, the studio had to close after a series of natural disasters rocked the small island.

A strange sea fortress that guards icy waters is home to a grim secret; experts investigate the mysteries at this eerie structure, which fought an invisible enemy far more deadly than ever imagined.

The ruins of a dreamlike Polish palace hide an astonishingly dark history that's shrouded in mystery to this day; experts investigate and uncover an ornate gothic structure that concealed a nightmare of Nazi experimentation.

A desert island adrift in the Gulf of Mexico contains a massive and marooned structure with a contagious past; experts investigate and uncover a desolate military fortress turned prison and plagued by a deadly disease.

A breathtaking stainless steel tower seems otherworldly and out of place in the remote mountain forests of Croatia; experts investigate and uncover a dark past of Nazi-led conflict and a monument to a desperate fight for survival.

A war-torn Italian ghost town immortalized by a legendary Hollywood director blurs the lines between fiction and reality; experts investigate and uncover a forgotten landscape of ruins captured in a WWII documentary.

A collection of ramshackle structures with a mystical facade lie mysteriously deserted on the tropical island of Bali; experts investigate and uncover the ruins of a bizarre amusement park complex with a disastrous past.

A breathtaking stainless steel tower seems otherworldly and out of place in the remote mountain forests of Croatia; experts investigate and uncover a dark past of Nazi-led conflict and a monument to a desperate fight for survival.

A war-torn Italian ghost town immortalized by a legendary Hollywood director blurs the lines between fiction and reality; experts investigate and uncover a forgotten landscape of ruins captured in a WWII documentary.

A collection of ramshackle structures with a mystical facade lie mysteriously deserted on the tropical island of Bali; experts investigate and uncover the ruins of a bizarre amusement park complex with a disastrous past.

A desert island adrift in the Gulf of Mexico contains a massive and marooned structure with a contagious past; experts investigate and uncover a desolate military fortress turned prison and plagued by a deadly disease.

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.

This Caribbean mecca for rock legends was envisioned by famous Beatles producer George Martin; although many legendary records were made there, the studio had to close after a series of natural disasters rocked the small island.

Counting down the top internet legends; these are the smartest and bravest people using science to take their skills to the next level; learning how to pull a wheelie in a boat, take inline skates off road and shoot an arrow around a corner.

When astronomers discover a rogue black hole speeding through the Milky Way, they investigate how much danger this cosmic monster poses to Earth, and what would happen if it ever entered our solar system.

Experts investigate if a nearby exoplanet could be the home to an alien civilization of strange, metallic monsters, after a new discovery confirms that life can thrive on such a strange world.

Galaxies are locked in continual combat across the universe, and the Milky Way will face its biggest opponent ever, the Andromeda Galaxy, in a titanic and deadly struggle that could create a new and unrecognizable super galaxy.

The hidden kingdom of microscopic alien organisms shapes the universe as much as galaxies, stars, and planets; new discoveries reveal how bacteria, viruses and other micro-organisms built life on Earth and influence humanity's future in the cosmos.

Many ancient cultures allude to the existence of giants; tombs and skeletons of the alleged beings are discovered in Sardinia.

Investigating the contentious theory that Jesus was married with children and his bloodline lives on today.

Three Portuguese shepherd children allegedly receive a prophecy in 1917 that foretells the date of the Apocalypse.

Investigating if the High Priests of the Temple in Jerusalem hid sacred items from the Romans, and if the Dead Sea Scrolls can reveal the location of hidden wonders.

Legend has it that the Knights Templar discovered a great treasure in Jerusalem and may have brought it back to England.

Investigating whether alchemists such as Nostradamus, Nicolas Flamel and John Dee could truly perform miracles, or were in actuality just clever deceivers.

A massive tsunami hundreds of feet high that never touches land; a secret underground base in China; an image from space may have revealed the location of the Garden of Eden.

Man-made islands appear near a North Korean missile facility; an unexpected find in a remote desert leads experts to a lost city of giants; a strange discovery in Siberia suggests a secret mission to the center of the Earth.

An ancient man-made volcano might reveal buried treasure and bloody human sacrifice; when NASA discovers a strange pattern in the Arctic ice, experts investigate if it has alien origins; a mystery in the Sahara might have a sinister explanation.

Researchers investigate a strange glowing lake reported to turn things into stone; a structure in Africa that resembles Stonehenge is said to be the resting place of a mythical giant.

A mysterious Stonehenge-like structure in Russia may have links to the Nazis; experts uncover clues to a mega-tsunami with the power to devastate the United States; a huge lake appears in the Sahara overnight.

An abandoned city in the African jungle may be haunted by the malevolent spirits of cannibals; Mount Vesuvius shows signs of an awakening, and the mafia could be to blame; experts investigate Adolf Hitler's secret Nazi UFO program.

A strange lake in Transylvania is the home of an abandoned village and a terrifying secret; when a labyrinth is discovered on an island once home to an ancient Greek civilization, experts investigate if it was the legendary home of the Minotaur.

A mysterious Stonehenge-like structure in Russia may have links to the Nazis; experts uncover clues to a mega-tsunami with the power to devastate the United States; a huge lake appears in the Sahara overnight.

An abandoned city in the African jungle may be haunted by the malevolent spirits of cannibals; Mount Vesuvius shows signs of an awakening, and the mafia could be to blame; experts investigate Adolf Hitler's secret Nazi UFO program.

A strange lake in Transylvania is the home of an abandoned village and a terrifying secret; when a labyrinth is discovered on an island once home to an ancient Greek civilization, experts investigate if it was the legendary home of the Minotaur.

Researchers investigate a strange glowing lake reported to turn things into stone; a structure in Africa that resembles Stonehenge is said to be the resting place of a mythical giant.

Investigating whether alchemists such as Nostradamus, Nicolas Flamel and John Dee could truly perform miracles, or were in actuality just clever deceivers.

A massive tsunami hundreds of feet high that never touches land; a secret underground base in China; an image from space may have revealed the location of the Garden of Eden.

Adam and Jamie take a fan mail film and use it to dial in on a phone book fable; the rest of the team test a fishy tale of Hollywood pyrotechnics with their own big bang theories.

Adam and Jamie try to turn a conventional electric stun gun into a water-powered electric stun gun.

The whole team gets together to test myths about survival; in Coffin Punch, Kari, Tory and Grant test the silver screen saga; Adam and Jamie question what bullet-proof is.

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; 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.

Alcatraz is home to secrets that only cutting-edge archaeology can reveal, and using the latest science and the newest tech, experts search for hidden evidence to investigate why so many tried and failed to escape America's toughest jail.

Pyramids in the deserts of Sudan are the ruins of a powerful lost civilization that rivaled the pharaohs of ancient Egypt; using cutting-edge tech and archaeological methods, experts reveal the secrets behind the mysterious Kingdom of Kush.

The Roman Empire builds Hadrian's Wall to guard its frontiers at the edge of the world; new discoveries reveal who the Romans were trying to keep out with this 72-mile-long megastructure and what it tells about the ancient people of Iron Age Britain.

Egypt's ultimate secrets may be hidden underwater; a cutting-edge archaeological investigation uses hi-tech methods to scan the ocean floor in search of sunken sphinxes, temples, and shipwrecks.

Special access to cutting-edge archaeological investigations reveals the secrets of the long-lost city that was once the world's largest and richest; using new evidence, experts try to discover what Babylon looked like and what caused its downfall.

The Tower of Babel is featured in one of the most famous stories of the Bible; to find out if it really existed, archaeologists use technology and science to investigate how ancient engineers could have built such an extraordinary megastructure.

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.

Cutting-edge archaeological methods help experts unearth the dark secrets hidden at the seven wonders of ancient Rome.

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.

Cutting-edge archaeological methods help experts unearth the dark secrets hidden at the seven wonders of ancient Rome.

The Tower of Babel is featured in one of the most famous stories of the Bible; to find out if it really existed, archaeologists use technology and science to investigate how ancient engineers could have built such an extraordinary megastructure.

Pyramids in the deserts of Sudan are the ruins of a powerful lost civilization that rivaled the pharaohs of ancient Egypt; using cutting-edge tech and archaeological methods, experts reveal the secrets behind the mysterious Kingdom of Kush.

The Roman Empire builds Hadrian's Wall to guard its frontiers at the edge of the world; new discoveries reveal who the Romans were trying to keep out with this 72-mile-long megastructure and what it tells about the ancient people of Iron Age Britain.

Jamie, Adam and Kari apply science to the theory that the more they drink, the more attractive they find the opposite sex.

Adam and Jamie test an Indiana Jones myth; Kari, Grant and Tori try to break out of prison.

Team members join forces to put sayings viewers take for granted under the microscope.

Dive into how exercise bikes, Cornish pasties, pasta makers and slate products are designed and produced.

More everyday items go under the microscope; an insight into how objects like channel signs and wetsuits are made, and what is the construction behind aluminium aircraft.

Basque pelota balls; pallet trucks; dumplings; brass faucets.

Laptops; panettone; saxophones.

Fly fishing reels; house paint; weaving loom; ice maker.

Graphite pencil leads, clarinets and special effects are put under the spotlight to see how they're made.

Air boats; onions; 3D metal printing; curved cabinet doors.

An insight into the production process for retractable ballpoint pens, solar salt and tubas.

Worcestershire sauce; lawn bowls; radio-controlled model jets.

Pipes; rock-climbing gear; leather bike saddles; luxury sports cars.

Replica foods, traffic cone dispensers, rocking horses, London taxis.

Miniature furniture, garden steam locomotives, hovercraft, folding bicycles.

A labyrinth of vast tunnels in the French countryside has served as a secret hideout during wartime for centuries, and on its walls, experts have discovered the final confessions of soldiers who fought during one of the deadliest days of World War I.

Caverns hidden deep inside a remote mountain are home to a precious mineral found nowhere else on Earth; experts and treasure hunters use cutting-edge technology to follow rumors of a mysterious long-lost mine in search of a payday.

Eerie system of underground vaults in Scotland was once hideout for thieves who stole newly-buried bodies and sold them; experts excavate these rubble-filled caves to reveal the secrets of what these bandits left behind.

A buried ancient city hidden five-stories underground can house 3,000 people in secret; experts use the latest tech to reveal the truth behind this strange place.

Subterranean military fortresses situated on the southern coast of Ireland have protected against enemy invasion for over 400 years, and now, experts investigate how this powerful stronghold transformed into a brutal and terrifying prison.

A decommissioned missile launch facility in Kansas remained one of the best kept subterranean military secrets of the Cold War; experts reveal how this abandoned underground complex transformed into a state-of-the-art survival bunker.

Exploring the mysterious and catastrophic collapse of ancient civilizations during the late Bronze Age, revealing the tumultuous events that brought an end to a thriving era of human history.

An unprecedented landslide unveils a hidden world beneath a picturesque town in northern Italy, and now experts investigate this vast network of tunnels and passageways that stretch 300 feet underground to reveal the city's subterranean past.

Exploring the mysterious and catastrophic collapse of ancient civilizations during the late Bronze Age, revealing the tumultuous events that brought an end to a thriving era of human history.

An unprecedented landslide unveils a hidden world beneath a picturesque town in northern Italy, and now experts investigate this vast network of tunnels and passageways that stretch 300 feet underground to reveal the city's subterranean past.

A decommissioned missile launch facility in Kansas remained one of the best kept subterranean military secrets of the Cold War; experts reveal how this abandoned underground complex transformed into a state-of-the-art survival bunker.

Caverns hidden deep inside a remote mountain are home to a precious mineral found nowhere else on Earth; experts and treasure hunters use cutting-edge technology to follow rumors of a mysterious long-lost mine in search of a payday.