Evidence of a mysterious 5,000-year-old structure suddenly appears in Ireland; a top-secret machine that can see back in time; a satanic pentagram in the snow that points to witchcraft in the New World.

An abandoned ghost town in a remote desert with a dark past; when a strange facility is spotted in Russia, experts investigate if it's hiding evidence of alien life; cutting-edge tech reveals new clues to these sinister mysteries from space.

Traveling to Bulgaria to investigate claims of a real Vampire burial and examine accounts of vampires, which have risen in popularity in recent decades.

The remains of an abandoned settlement high in the mountains of Peru could be an ancient Roman village; experts speculate if the Romans visited the Americas centuries before Columbus.

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 fan favorites; video games; grenades; spy cars; super-fast firearms.

The team tests some Alaskan anecdotes.

The Yeti is a custom-made snow-eater that keeps a critical Alaskan airport open for business; experts reveal how cutting-edge engineering and the latest technology keep this machine running in the toughest conditions.

When melting ice threatens to flood a town, a 22-ton amphibious mega machine battles the elements to save the day; in the Arctic, the Canadian Air Force relies on a massive transport aircraft to deliver supplies and personnel to far-off places.

Military search and rescue efforts in deadly arctic conditions rely on a specialized helicopter with unrivaled power and endurance, and special access reveals how it works; in the Alps, a monster snow blower keeps trains running in dangerous weather.

A helicopter made for extreme environments aids US Army rescue efforts in some of the most harsh conditions; a trio of small but capable tugboats moves cargo vessels through the busiest port of Alaska.

A special drone uses cutting-edge technology to fly deep into treacherous, hard-to-reach mountains on dangerous search and rescue missions, and a hi-tech ice machine works tirelessly at a Toronto airport to keep flights running in brutal conditions.

Tourists explore the far reaches of northern Canada and gain exclusive access to polar bears on custom-built rovers; the Twin Otter aircraft drops much-needed supplies to isolated villages.

Experts use a cutting-edge, all-terrain engineering marvel to access a perilous job site covered in snow.

The world's only actual all-terrain vehicle is an arctic mega monster that can conquer land, snow and water; a machine that can climb mountains.

A frozen lake deep in the Himalayas melts once a year to expose hundreds of human bones and a centuries-old mystery of astonishing carnage; leaving experts to speculate if it was a single catastrophic event or something much more sinister.

Experts make a chilling new discovery when they unearth a 30,000-year-old zombie virus from an icy grave; if this ancient disease is successfully resuscitated back to life, it could cause a catastrophic global calamity.

After a 2,500-year-old mummy is discovered in Siberia, locals report strange, cataclysmic events that point to an ancient curse; using cutting-edge archaeology, experts reveal who this person was and if they've unleashed something sinister.

When strange towers of ice are found growing in a barren, water-starved desert, experts speculate why these structures have uncanny similarities to extraterrestrial formations recently discovered on Pluto's alien landscape.

A top-secret military base hidden deep in the ice beyond the Arctic Circle is one of the Cold War's most elaborate cover-ups; recently declassified documents reveal its deadly purpose; the threat it might still pose to all humankind.

Three graves are discovered on the frozen beach of an uninhabited Arctic island; the mummified corpses inside may answer a centuries-old mystery of an expedition that was literally consumed by the cannibalistic insanity of its mutinous crew.

When strange towers of ice are found growing in a barren, water-starved desert, experts speculate why these structures have uncanny similarities to extraterrestrial formations recently discovered on Pluto's alien landscape.

A top-secret military base hidden deep in the ice beyond the Arctic Circle is one of the Cold War's most elaborate cover-ups; recently declassified documents reveal its deadly purpose; the threat it might still pose to all humankind.-- Changed stoptime! --.

After a 2,500-year-old mummy is discovered in Siberia, locals report strange, cataclysmic events that point to an ancient curse; using cutting-edge archaeology, experts reveal who this person was and if they've unleashed something sinister.

Experts use a cutting-edge, all-terrain engineering marvel to access a perilous job site covered in snow.

After a 2,500-year-old mummy is discovered in Siberia, locals report strange, cataclysmic events that point to an ancient curse; using cutting-edge archaeology, experts reveal who this person was and if they've unleashed something sinister.

Experts use a cutting-edge, all-terrain engineering marvel to access a perilous job site covered in snow.

Adam and Jamie tackle two flights of fantasy.

The world's only actual all-terrain vehicle is an arctic mega monster that can conquer land, snow and water; a machine that can climb mountains.

Adam and Jamie tackle two flights of fantasy.

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

Commercial drones; aquarium fish; runway cleaners.

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

Mortars and pestles; bowling lane conditioners; crematories.

Commercial drones; aquarium fish; runway cleaners.

Mortars and pestles; bowling lane conditioners; crematories.

Wooden matches; tillage machines; telescopic gangways.

Mosquito coils; solar assist tricycles; palm oil.

Precast concrete walls; 3D printers; telescopic cranes; kerosene lamp burners.

Examining how items such as car headlamps, directional drills, and combs are made and how stained glass is restored.

Metal detectors; muffins; Tiffany reproductions; aircraft engines.

Riding mowers; popcorn; cultured diamonds.

Airstream trailers; horseradish; industrial steam boilers; deodorant.

Screwdrivers; rubber track loaders; physician scales; carbon fiber baseball bats.

A mysterious city in ancient Egypt is the home of the Valley of the Kings and grand temples, and new discoveries reveal how they were built and if the god the pharaohs worshiped there helped them rise to power.

Escalators; Kevlar canoes; marble cheddar; disc music boxes.

Motorcycle engines; glass; enamel sculptures; handmade paper; vaulting poles.

A mysterious city in ancient Egypt is the home of the Valley of the Kings and grand temples, and new discoveries reveal how they were built and if the god the pharaohs worshiped there helped them rise to power.

In Denmark, archaeologists use cutting-edge technology to uncover the secrets of the lost fortresses of the Viking Age; this expedition could answer questions about why these citadels were built, and what brought the Viking Age to an end.

A cutting-edge investigation into the sinking of the Titanic reveals new discoveries that might finally explain the mysteries of her last moments, and experts get closer to a shocking secret: if there was a way to save almost everyone on board.

A colossal stone temple on a remote Egyptian island mysteriously bears the names of the most famous leaders of the ancient world; now, experts use cutting-edge tech to investigate why pharaohs and emperors all built monuments at this enigmatic site.

The ancient city of Abydos contains some of the oldest Egyptian tombs and a buried temple linked to a mysterious death cult; now, archaeologists use cutting-edge drone imaging to investigate long-hidden secrets behind the first pharaohs.

The latest archaeological research unravels the mystery behind this elusive Egyptian queen, whose name is synonymous with seduction, beauty and scandal.

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.

The latest archaeological research unravels the mystery behind this elusive Egyptian queen, whose name is synonymous with seduction, beauty and scandal.

The coliseums of Rome were brutal theaters of spectacle and death that helped control the sprawling Roman empire; now, archaeologists uncover the engineering secrets behind these majestic structures to reveal the truth behind the ancient Roman world.

The latest archaeological research unravels the mystery behind this elusive Egyptian queen, whose name is synonymous with seduction, beauty and scandal.

The coliseums of Rome were brutal theaters of spectacle and death that helped control the sprawling Roman empire; now, archaeologists uncover the engineering secrets behind these majestic structures to reveal the truth behind the ancient Roman world.

The latest archaeological research unravels the mystery behind this elusive Egyptian queen, whose name is synonymous with seduction, beauty and scandal.

The coliseums of Rome were brutal theaters of spectacle and death that helped control the sprawling Roman empire; now, archaeologists uncover the engineering secrets behind these majestic structures to reveal the truth behind the ancient Roman world.

The coliseums of Rome were brutal theaters of spectacle and death that helped control the sprawling Roman empire; now, archaeologists uncover the engineering secrets behind these majestic structures to reveal the truth behind the ancient Roman world.

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.

In Denmark, archaeologists use cutting-edge technology to uncover the secrets of the lost fortresses of the Viking Age; this expedition could answer questions about why these citadels were built, and what brought the Viking Age to an end.

Archaeologists excavating a historic Chilean site make a chilling discovery and find decapitated human skulls separate from a nearby burial site; experts use advanced cranial forensics to reveal what happened to these ancient, butchered victims.

A cutting-edge investigation into the sinking of the Titanic reveals new discoveries that might finally explain the mysteries of her last moments, and experts get closer to a shocking secret: if there was a way to save almost everyone on board.

Archaeologists excavating a historic Chilean site make a chilling discovery and find decapitated human skulls separate from a nearby burial site; experts use advanced cranial forensics to reveal what happened to these ancient, butchered victims.

Experts unearth a mysterious lost city built by an infamous pharaoh and find clues of a grisly catastrophe; new discoveries reveal the apocalyptic events that turned this place into hell on Earth, offering more clues to Egypt's darkest secrets.

An archaeological excavation uncovers ancient human carnage; experts use 3D modeling to reveal what may be the first major war in human history.

The solar system hides a dark and violent past, and new discoveries reveal that Earth and the planets were formed from the destruction of strange alien worlds.

Experts unearth a mysterious lost city built by an infamous pharaoh and find clues of a grisly catastrophe; new discoveries reveal the apocalyptic events that turned this place into hell on Earth, offering more clues to Egypt's darkest secrets.

The solar system hides a dark and violent past, and new discoveries reveal that Earth and the planets were formed from the destruction of strange alien worlds.

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.

Spacetime is the secret structure that controls our universe, and this strange four-dimensional substance controls time, light, and energy; it will also determine how our universe will end.

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 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.

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.

Deep beneath the streets of Cincinnati lies a network of deserted tunnels and caverns that contain a remarkable history of the city's origins, and now, experts investigate to reveal who built this underground labyrinth and why it was abandoned.

Descending more than 200 feet beneath the Arizona bedrock lies the largest dry cave system in North America; experts explore this vast subterranean network to reveal the mysteries and undiscovered treasure that remain hidden within its walls.

Hidden beneath the town of Ramsgate, England, lies a hidden network of over three miles of air raid tunnels; experts investigate and uncover an extensive WWII bomb shelter that became a permanent refuge for many civilians after a devastating attack.

Josh dives for the lost treasure of the legendary pirate Blackbeard.

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.

Josh dives for the lost treasure of the legendary pirate Blackbeard.

Traveling to Turkey and Hungary searching for the heart of a former ruler.

The Kruger Millions in the harsh wild of South Africa.

Josh Gates searches for answers about the lost Teotihuacano civilization in Mexico.

The myths behind Christopher Columbus are uncovered.

Josh Gates travels to the Kalahari Desert in southern Africa to look for a fabled lost city; on the journey, he traverses rough desert terrain, encounters wild animals, rafts down rapids and flies in an open-air helicopter.

Josh Gates searches for answers about the lost Teotihuacano civilization in Mexico.

The myths behind Christopher Columbus are uncovered.

Josh Gates travels to the Kalahari Desert in southern Africa to look for a fabled lost city; on the journey, he traverses rough desert terrain, encounters wild animals, rafts down rapids and flies in an open-air helicopter.

Hidden beneath the town of Ramsgate, England, lies a hidden network of over three miles of air raid tunnels; experts investigate and uncover an extensive WWII bomb shelter that became a permanent refuge for many civilians after a devastating attack.

The Kruger Millions in the harsh wild of South Africa.

Hidden beneath the town of Ramsgate, England, lies a hidden network of over three miles of air raid tunnels; experts investigate and uncover an extensive WWII bomb shelter that became a permanent refuge for many civilians after a devastating attack.

Experts use cutting-edge tech to reveal the hidden logic behind the cryptic locations of the ancient Moai statues of Easter Island.

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.

Experts use cutting-edge tech to reveal the hidden logic behind the cryptic locations of the ancient Moai statues of Easter Island.

A team of explorers discover a forbidding cave system riddled with ancient markings that seem to contain a mysterious meaning; using advanced photogrammetry, experts finally decode these cryptic scrawls to expose a dark chapter of English history.

A team of explorers discover a forbidding cave system riddled with ancient markings that seem to contain a mysterious meaning; using advanced photogrammetry, experts finally decode these cryptic scrawls to expose a dark chapter of English history.

New discoveries reveal the secrets of Egypt's tomb raiders and what ancient Egyptians did to ensure the treasures of their dead pharaohs wouldn't be stolen; science answers these mysteries, shedding new light on Egypt's darkest secrets.

New discoveries reveal the secrets of Egypt's tomb raiders and what ancient Egyptians did to ensure the treasures of their dead pharaohs wouldn't be stolen; science answers these mysteries, shedding new light on Egypt's darkest secrets.

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.

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 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.

Discovered in the ruins of the ancient city of Ur, a mysterious wooden box adorned with an elaborate mosaic continues to mystify archaeologists today; experts explore the meaning behind its intricate and enigmatic images.

Discovered in the ruins of the ancient city of Ur, a mysterious wooden box adorned with an elaborate mosaic continues to mystify archaeologists today; experts explore the meaning behind its intricate and enigmatic images.

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.

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.

The jeweled-encrusted pectoral of King Tut is a hieroglyphic artifact of stunning craftsmanship and one of the greatest treasures of the pharaohs.

A bizarre find called Copper Scroll is one of the famous Dead Sea Scrolls, but it's unlike any of the others; this strange relic might hold clues to a long-lost treasure, and cutting-edge science may finally reveal answers to this mystery.

A mysterious 2000-year-old jar containing copper and iron may be the most controversial archaeological find of all time.

An ancient piece of corroded metal is more than it seems: an alien-looking device of intricate dials and cogs; using cutting-edge imaging technology, experts examine what could actually be a 2,000-year-old computer.

In Washington D.C., a naked man chases after a car at superhuman speed; experts consider if the man could be the product of government attempts at creating a super soldier, or the failed result of a mind-control experiment.

In Washington D.C., a naked man chases after a car at superhuman speed; experts consider if the man could be the product of government attempts at creating a super soldier, or the failed result of a mind-control experiment.

Two nighttime explorers find a figure skulking around in an open grave; experts consider whether this person could be a tombstone tourist, the unlucky victim of a drug cartel or simply a person looking for some shelter.

Security guards patrolling the basement of an empty municipal building are shocked when they encounter a door repeatedly opening and violently slamming shut; experts investigate a connection to black magic rituals and the building's disturbing past.

A close encounter with an enraged ape-like creature is caught on camera, experts investigate if it's evidence of a once-extinct Neanderthal specimen engineered by a nearby experimental research facility.

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 boy who can turn his head 180 degrees and face directly behind him resembles infamous accounts of demonic possession from horror films; experts use cutting-edge technology to find out what's giving him this extreme ability.

A close encounter with an enraged ape-like creature is caught on camera, experts investigate if it's evidence of a once-extinct Neanderthal specimen engineered by a nearby experimental research facility.

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 boy who can turn his head 180 degrees and face directly behind him resembles infamous accounts of demonic possession from horror films; experts use cutting-edge technology to find out what's giving him this extreme ability.

Security guards patrolling the basement of an empty municipal building are shocked when they encounter a door repeatedly opening and violently slamming shut; experts investigate a connection to black magic rituals and the building's disturbing past.

A mysterious 2000-year-old jar containing copper and iron may be the most controversial archaeological find of all time.

A mysterious 2000-year-old jar containing copper and iron may be the most controversial archaeological find of all time.

An ancient piece of corroded metal is more than it seems: an alien-looking device of intricate dials and cogs; using cutting-edge imaging technology, experts examine what could actually be a 2,000-year-old computer.

A temple to the Roman god of the underworld is the site of ritual sacrifice and a gate to the underworld, but it was buried because it was believed to be cursed; experts use cutting-edge forensics to reveal what actually happened here.

A temple to the Roman god of the underworld is the site of ritual sacrifice and a gate to the underworld, but it was buried because it was believed to be cursed; experts use cutting-edge forensics to reveal what actually happened here.

The Screaming Mummy is one of Egypt's greatest mysteries: a mummy with a terrifying expression frozen in agony; new discoveries reveal the connection between this horrific discovery and a pharaoh's murder, offering clues to Egypt's darkest secrets.

A mass grave of mutilated skeletons is unearthed at the frontier of the Roman Empire, experts use advanced digital analysis to reveal the mystery behind these grisly remains.

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.

The Screaming Mummy is one of Egypt's greatest mysteries: a mummy with a terrifying expression frozen in agony; new discoveries reveal the connection between this horrific discovery and a pharaoh's murder, offering clues to Egypt's darkest secrets.

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.

As floodwaters unleash havoc in Venice, Italy, experts use the latest technology and modern-day science to explore the feasibility of rebuilding it.

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.

As floodwaters unleash havoc in Venice, Italy, experts use the latest technology and modern-day science to explore the feasibility of rebuilding it.

America's transcontinental railroad helped transform the United States into a global superpower; cutting-edge engineering is behind high-tech railways to once again revolutionize travel from sea to shining sea.

Machu Picchu is one of the greatest landmarks of world architecture, yet the purpose of its construction and how it was built still remains a mystery; experts use cutting-edge engineering to reveal what it would take to rebuild this legendary city.

The Hoover Dam was an epic engineering experiment that created an oasis of American opportunity during the darkest decade of the 20th century; modern engineers believe reconstructing it may hold the secret solution to renewable energy innovation.

The Parthenon is the crowning jewel of ancient Greek architecture and it was engineered according to a mysterious mathematical formula; expert builders examine the secrets of its design and investigate if modern-day methods could rebuilt it.

Washington, D.C., was built as the capital city of a new, revolutionary country, and it's home to some of America's greatest wonders; now, experts use cutting-edge engineering to reimagine what this place would look like if it had to be built again.

When the innovative design of an iconic Chicago skyscraper leads to tragedy, experts must apply cutting-edge tech and the latest engineering methods to fix an urgent, life-or-death problem.

When the innovative design of an iconic Chicago skyscraper leads to tragedy, experts must apply cutting-edge tech and the latest engineering methods to fix an urgent, life-or-death problem.

The Deepwater Horizon oil rig drills into the deepest oil reserves on the planet, but a sudden explosion onboard leads to the worst oil spill in history; experts reveal what went wrong and how cutting-edge science finally fixed the catastrophe.

Montreal's Olympic Stadium is an ambitious engineering project with a striking space-age design, but it's distinctive roof has caused more than $1 billion in cost overruns; experts reveal what went wrong and how cutting-edge science can fix it.

New science reveals the inside story of the Apollo 13 disaster, and using the latest evidence, experts reveal what really went wrong and how NASA saved the lives of the three astronauts stranded in space in a life-or-death race against the clock.

A deadly explosion strikes at the heart of a small Texas town and leaves a community in ruins; experts use the latest science to investigate and uncover a nearby fertilizer plant containing volatile chemicals poised for disaster.

A devastating earthquake wreaks havoc on an iconic San Francisco bridge and leaves drivers fearing for their lives; experts use the latest science to investigate and uncover a weakened expansion joint caused by catastrophic shockwaves.

New science reveals the inside story of the Apollo 13 disaster, and using the latest evidence, experts reveal what really went wrong and how NASA saved the lives of the three astronauts stranded in space in a life-or-death race against the clock.

A deadly explosion strikes at the heart of a small Texas town and leaves a community in ruins; experts use the latest science to investigate and uncover a nearby fertilizer plant containing volatile chemicals poised for disaster.

A devastating earthquake wreaks havoc on an iconic San Francisco bridge and leaves drivers fearing for their lives; experts use the latest science to investigate and uncover a weakened expansion joint caused by catastrophic shockwaves.

Washington, D.C., was built as the capital city of a new, revolutionary country, and it's home to some of America's greatest wonders; now, experts use cutting-edge engineering to reimagine what this place would look like if it had to be built again.

Montreal's Olympic Stadium is an ambitious engineering project with a striking space-age design, but it's distinctive roof has caused more than $1 billion in cost overruns; experts reveal what went wrong and how cutting-edge science can fix it.

Washington, D.C., was built as the capital city of a new, revolutionary country, and it's home to some of America's greatest wonders; now, experts use cutting-edge engineering to reimagine what this place would look like if it had to be built again.

Archeologists make a bone-chilling discovery when they unearth 20 mutilated skeletons in Mexico; investigators use advanced forensic analysis to examine the bizarre burial and reveal an ancient case of Mayan mass murder.

Archaeologists make a shocking discovery when the perfectly preserved remains of three children are unearthed from the frozen mountains of Argentina; experts investigate the bizarre circumstances behind this grisly scene.

The Crocodile Queen was Egypt's first female pharaoh, but questions remain about who she was why she took this sinister alter-ego; new discoveries might finally answer this ancient mystery, and experts use modern-day tech to reveal more secrets.

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.

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.

Spectators spot a strange green orb at a high school football game; a haunted hotel inspires a bloodcurdling bestseller; the truth behind the most famous ear in history.

A man dies after crossing paths with a vengeful witch; an explosion at a Texas school claims the lives of students and teachers; a charming bandit with impeccable manners commits a string of robberies.

A legendary beast lurks in the forests of West Virginia; a kidnapping plot targets Frank Sinatra's son; the walking dead execute a series of violent attacks.

A sinister haunting at a California mansion; an ancient Egyptian relic; a ship captain's curse.

An ominous orb mystifies the nation; an interstellar sound from the dark side of the moon; the true identity of the world's most celebrated writer.

An ancient carving may tell of alien visitation; a scalpel used by America's first serial killer; a piece of wood from a ship buried beneath the World Trade Center.

An eerie premonition about a presidential assassination; a super storm churns up a pirate's plunder; the miraculous resurrection of 40,000-year-old worms.

An abandoned castle is the site of hundreds of horrific murders perpetrated by the mysterious countess who once lived there, a woman alleged to be one of the most prolific killers in history; new discoveries reveal what really happened here.

Abandoned towers in southern Greece are the ruins of a fearsome warrior civilization descended from the Spartans, and new discoveries reveal the role these towers played during generations of violent blood feuds among the clans that lived here.

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.

An abandoned Caribbean city partly buried in a strange substance; Indonesian villages swallowed by the earth; Taiwanese temples turned to rubble; an American ghost-town that is still burning today.

An eerie set of buildings in Paris is evidence of an unspeakable evil; new discoveries reveal the horrific things that happened here, and why they were abandoned.

An abandoned Caribbean city partly buried in a strange substance; Indonesian villages swallowed by the earth; Taiwanese temples turned to rubble; an American ghost-town that is still burning today.

An eerie set of buildings in Paris is evidence of an unspeakable evil; new discoveries reveal the horrific things that happened here, and why they were abandoned.

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.

An ancient carving may tell of alien visitation; a scalpel used by America's first serial killer; a piece of wood from a ship buried beneath the World Trade Center.

An eerie premonition about a presidential assassination; a super storm churns up a pirate's plunder; the miraculous resurrection of 40,000-year-old worms.

When experts discover a 500-year-old grave, they find mysterious red skulls, pointing to a shocking mass sacrifice; experts use the latest technology and state-of-the-art forensics to investigate what happened at this horrific site.

In an abandoned Maya city, an archaeologist discovers the tomb of a mysterious red skeleton decorated in jade and pearl treasures; experts use cutting-edge tech to reveal who this person was and why they were buried so.

New discoveries reveal if there is indeed a curse at King Tut's tomb, which is said to have killed nine people; the latest science might finally answer this ancient mystery; experts use modern-day tech to investigate more of Egypt's darkest secrets.

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.

A subterranean Neolithic temple discovered on the island of Malta contains the skeletal remains of thousands of humans; experts use forensic archaeology to investigate elongated skulls that may unlock the secrets of an advanced, lost civilization.Guests: Lionel Fanthorpe..

The CIA's MK-Ultra program sought to create mind control methods through unethical human experimentation, and now, experts investigate classified documents that reveal the horrific atrocities that were carried out in the pursuit of national security.Guests: Lionel Fanthorpe..

The location of King Solomon's Mines has baffled historians for centuries and continues to lure treasure hunters today; archaeologists investigate evidence that may uncover the unlikely truth behind this source of untold riches.

Uncover the true stories surrounding great treasures, long-held conspiracy theories, ancient relics and lost civilizations as experts analyze and investigate history's most astonishing mysteries.Guests: Lionel Fanthorpe..

The ancient site of Gobekli Tepe is the oldest building complex ever discovered and continues to baffle archaeologists today; now, experts investigate new theories behind its enigmatic construction as a possible commemoration to a cataclysmic event.Guests: Lionel Fanthorpe..

Mary Magdalene played a pivotal role in early Christianity and witnessed the execution and resurrection of Jesus Christ; experts investigate the truth behind her mysterious disappearance and embark on a quest to locate her undiscovered remains.

When a strange, red plane is discovered near the sight of the Roswell UFO incident, experts wonder if the aircraft has Nazi or extraterrestrial origins, and their investigation reveals new secrets about one of America's most famous faces.

When satellites spot a mysterious structure in North Korea, experts investigate if this sinister evidence points to a looming nuclear threat, and using cutting-edge tech, they reveal dark secrets from this strange place.

When a sinister cave is discovered in a remote corner of Iceland, experts uncover a secret underworld tunneling to unknown depths, and using cutting-edge tech, they investigate if this strange place could hold secrets of alien worlds.

When a strange structure is discovered in the Gobi Desert, experts investigate if this mysterious site could reveal the whereabouts of lost treasure, which might change everything known about Genghis Khan and the Mongol warriors.

In the white ice of Antarctica, satellites discover a mysterious trail of sinister black objects, and when experts discover that it's moving, they use cutting-edge tech to investigate who or what is behind this strange phenomena.

At a mysterious site in the Gobi Desert, experts discover a monster graveyard; the groundbreaking find contains the treasures of the alien beasts that once lived in this strange world.

When a strange structure is discovered in the Gobi Desert, experts investigate if this mysterious site could reveal the whereabouts of lost treasure, which might change everything known about Genghis Khan and the Mongol warriors.

In the white ice of Antarctica, satellites discover a mysterious trail of sinister black objects, and when experts discover that it's moving, they use cutting-edge tech to investigate who or what is behind this strange phenomena.

At a mysterious site in the Gobi Desert, experts discover a monster graveyard; the groundbreaking find contains the treasures of the alien beasts that once lived in this strange world.

When a sinister cave is discovered in a remote corner of Iceland, experts uncover a secret underworld tunneling to unknown depths, and using cutting-edge tech, they investigate if this strange place could hold secrets of alien worlds.

Mary Magdalene played a pivotal role in early Christianity and witnessed the execution and resurrection of Jesus Christ; experts investigate the truth behind her mysterious disappearance and embark on a quest to locate her undiscovered remains.

The boys test whether a trench corner can slow down a shockwave and save a soldier.

James Cameron joins Adam and Jamie to try to answer the questions, did Jack (from Cameron'sGuests: James Cameron..

Adam and Jamie see if certain sound frequencies can convince people of paranormal activity; finding out if the smell of fear exists.

Adam and Jamie test whether it's better to keep windows open or closed during a hurricane; liquid nitrogen.

Dinosaur fossil season has begun, and Montana rancher Clayton Phipps finds what might be an extremely rare and valuable fossil on his family's property.

Clayton Phipps continues his excavation of a rare carnivorous dinosaur on his Montana ranch; Mike Harris and son Jake prepare to sell their prized tyrannosaurus-rex fossil; Aaron Bolan hunts for an ankylosaurus.

Clayton Phipps and his team prepare to flip a 20,000-pound carnivore fossil out of the earth and onto a flatbed to get it to the lab for analysis; Mike Harris hunts for a duckbill skull; Jared Hudson uncovers an ancient reptile.

Clayton must haul his 20,000-pound dinosaur fossil over 200 miles to a lab where it will finally be identified; the Harris/Bolan clan chases poachers off of their land; Jared makes a last-ditch effort to bring in some money this season.

Clayton returns to his ranch in Montana to hunt for quick finds at Old Faithful. In Wyoming, Mike Harris and his team continue excavating their triceratops site hoping to uncover the valuable horns.

In Montana, Clayton Phipps prepares to learn if his carnivore skeleton belongs to a tyrannosaurus rex or the controversial nanotyrannus; in Wyoming, Mike Harris and Aaron Bolan race against the impending winter digging at a promising new site.

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.

Testing if a motorcycle can travel across water at high speeds; a parachute made from hotel room contents.

Viewer requested myths include an underwater bike ride, if you can know something.

Celebrity chef Alton Brown helps the team discover if it can cook lasagna in a dishwasher or a meal beneath the hood of a car.

Wood toys; retro toasters; laboratory furnaces.

Combination squares; farmed shrimp; ball valves.

The making of macarons, pine needle baskets and micrometers.

How Chinese-style furniture, electrical switches and Thai fish sauce are made.

Handcrafted skis; septic tanks; hydro-formed chassis parts; aquarium windows.

Zip line brakes; silk fiber lamps; round balers; comfort shoes.

How armored vehicles, tension fabric buildings, rowers, and sculpture enlargements are made.

Mountain bike suspensions; surgical sutures; grain dryers.

Motion sensors; belt loaders; pheasant breeding; diving helmets.

Rawhide lampshades; chocolate chip cookies; MRI scanners.

Explores the manufacturing process of noise barrier walls, front-load washers, bourbon and flexible circuit boards.

Railway bridge ties; membrane filters; hydraulic post drivers; bi-planes.

Experts investigate clues revealing evidence of a long-lost civilization in the Amazon that built giant cities of untold treasures.

Archaeologists are finding hard proof of the prehistoric civilization that once thrived in the Amazon; with the help of cutting-edge technology, these new discoveries reveal how these long-lost people built an advanced society in the jungle.

New discoveries reveal the mystery of what happened to the ancient superpower that once thrived in the Amazon jungles and, using cutting-edge archaeological methods, finding the reasons why the civilization fell.

The Acropolis above Athens has stood for thousands of years; scientists are working to solve its mysteries: how it was built, what it looked like, and how it has endured the test of time.

New evidence could help solve some of the Great Pyramid's mysteries; the investigation into how it was built, revealing the truth about hidden tombs and other secrets.

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.

Archaeologists scan the uncharted jungles of Southeast Asia to uncover the rise and fall of the medieval Khmer Empire.

Deep in the jungles of Mexico, the lost city of Chichen Itza contains ancient secrets of a mysterious civilization; scientists investigate how Chichen Itza was built and how human sacrifices shaped the city.

Archaeologists scan the uncharted jungles of Southeast Asia to uncover the rise and fall of the medieval Khmer Empire.

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.

Archaeologists are finding hard proof of the prehistoric civilization that once thrived in the Amazon; with the help of cutting-edge technology, these new discoveries reveal how these long-lost people built an advanced society in the jungle.

New discoveries reveal the mystery of what happened to the ancient superpower that once thrived in the Amazon jungles and, using cutting-edge archaeological methods, finding the reasons why the civilization fell.