When the Nazis took Ksiaz Castle in 1941, it wasn't for the view, and they got to work turning it into a fortress; secret staircases and elevators were built, while underneath, a vast network of tunnels was taking form.

A medieval castle-like complex in the remote mountains of Germany contains dark secrets to the Nazi's plan for world domination; experts investigate and uncover a nefarious training facility designed to groom elite Nazi personnel.

As the Nazis plot the beginning of their empire, Heinrich Himmler transforms the ruins of a German castle into a mysterious Nazi complex.

A labyrinth of tunnels carved deep in the Polish mountains leads to the largest underground Nazi weapons development complex ever discovered.

Experts investigate if there's any truth to conspiracy theories that allege secret societies control the course of world history from behind the scenes, and if true, new discoveries might finally reveal the extent of their global domination.Guests: Lionel Fanthorpe..

Guided missiles, the Wasserfall, and the potentially war-changing V2 were dreamed up and tested in a base in Peenemunde.

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

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

The center of the Milky Way is home to strange and deadly phenomena that is difficult to understand, but using the latest science, experts are revealing how the supermassive black hole the galaxy's core shapes life on Earth.

Time travel may be more possible now than ever imagined, and today, cutting-edge technology and the latest research into black holes and wormholes is helping experts get much closer to discovering how to travel through time.

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.

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.

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.

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

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.

Cameras capture something shocking in a cemetery: empty graves, as if the dead walked out in the middle of the night; using cutting-edge tech, experts investigate what's behind this apparent evidence of zombie activity.

Cameras capture footage of millions of strange creatures invading a church, and some wonder if it's evidence of a grisly buried secret.

Cameras capture footage of a ghostly figure in the window of Pablo Escobar's abandoned luxury building, mere moments before it is demolished, and some believe it was the notorious drug lord himself.

When a strange, dried-out creature washes ashore down river from a nuclear power plant, some experts suspect it's the mummified corpse of a mutant; using the latest science and technology, this incredible theory is put to the test.

Cameras capture footage of a strange, human-sized egg floating in Arctic waters.

After cameras capture footage of a UFO over Las Vegas, officials claim it's just a meteor, but some suspect something far stranger; using cutting-edge tech, experts investigate if it's evidence of an alien visit or a top-secret military project.

When a strange, dried-out creature washes ashore down river from a nuclear power plant, some experts suspect it's the mummified corpse of a mutant; using the latest science and technology, this incredible theory is put to the test.

Cameras capture footage of a strange, human-sized egg floating in Arctic waters.

After cameras capture footage of a UFO over Las Vegas, officials claim it's just a meteor, but some suspect something far stranger; using cutting-edge tech, experts investigate if it's evidence of an alien visit or a top-secret military project.

Cameras capture footage of a ghostly figure in the window of Pablo Escobar's abandoned luxury building, mere moments before it is demolished, and some believe it was the notorious drug lord himself.

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

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

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

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.

NASA's Juno spacecraft is part of a cutting-edge mission to explore the mysteries of Jupiter; as this mighty probe is pummeled with deadly radiation, it gathers new data that could change everything we know about the solar system's biggest planet.

NASA plans to send humans to Mars within just 15 years, but to reach this next frontier of space exploration, experts must discover new technology and cutting-edge science that protects astronauts from the Red Planet's deadliest killers.

NASA's hi-tech rocket assembly facility pushes the limits of space exploration to new frontiers; here, engineers build an advanced rocket propulsion system that can send astronauts and cargo to the moon and back.

Special access to Tesla's record-breaking Gigafactory reveals its bold ambition to build one of the most advanced cars in the world; this cutting-edge facility is one of the world's largest, representing the frontier of engineering innovation.

The UPS Worldport is a distribution powerhouse that connects the world and special access reveals what happens in the largest automated sorting hub on the planet; with its own fleet of 550 aircraft, it serves more destinations than any other airline.

Maserati takes production of their luxury automotive brand to another level at the Mirafiori facility in Turin, Italy, where the highest standards of materials and manufacturing result in handcrafted cars built on a cutting-edge assembly line.

Legendary automotive brand Rolls-Royce is also one of the largest manufacturers of aircraft engines and produces the revolutionary Trent XWB, one of the world's most powerful, efficient and eco-friendly jet engines.

McLaren's high-tech production center is as remarkably distinctive as the handcrafted automobiles it designs and produces, overtaking its supercar rivals through the application of Formula One science and sophisticated production standards.

The largest steel plant in the world is a high-tech super factory that takes production to astonishing levels, turning out 21 million tons of steel every year on a sprawling campus comprised of 50 individually operating subfactories.

Special access to cutting-edge factories reveals how America's favorite foods are made and how assembly lines produce huge amounts of hot dogs, chocolate bars and other treats.

A series of violent explosions rips through a major Texas oil refinery, causing a fatal disaster and devastation on a terrifying scale; experts use the latest science to investigate and uncover what triggered a catastrophic malfunction.

A devastating rail disaster outside a small North Dakota town results in cargo erupting in massive explosions; experts use the latest science to investigate and uncover an engineering flaw poised for catastrophic failure.

Experts look at engineering blunders that have either caused catastrophes or are disasters waiting to happen. They use cutting-edge technology to examine what went wrong and to figure out if they can be fixed.

Tragedy strikes a bustling Canadian shopping mall when a parking garage suddenly collapses resulting in a fatal disaster; expert engineers use the latest technology to investigate and uncover a deadly design flaw that could have been prevented.

A deadly design flaw results in a horrifying rush hour bridge collapse that tragically leaves 13 dead in Minneapolis; using the latest science, experts investigate to reveal what went so catastrophically wrong on one of Minnesota's busiest crossings.

Experts look at engineering blunders that have either caused catastrophes or are disasters waiting to happen. They use cutting-edge technology to examine what went wrong and to figure out if they can be fixed.

Tragedy strikes a bustling Canadian shopping mall when a parking garage suddenly collapses resulting in a fatal disaster; expert engineers use the latest technology to investigate and uncover a deadly design flaw that could have been prevented.

A deadly design flaw results in a horrifying rush hour bridge collapse that tragically leaves 13 dead in Minneapolis; using the latest science, experts investigate to reveal what went so catastrophically wrong on one of Minnesota's busiest crossings.

A devastating rail disaster outside a small North Dakota town results in cargo erupting in massive explosions; experts use the latest science to investigate and uncover an engineering flaw poised for catastrophic failure.

McLaren's high-tech production center is as remarkably distinctive as the handcrafted automobiles it designs and produces, overtaking its supercar rivals through the application of Formula One science and sophisticated production standards.

The largest steel plant in the world is a high-tech super factory that takes production to astonishing levels, turning out 21 million tons of steel every year on a sprawling campus comprised of 50 individually operating subfactories.

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

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.

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.

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.

Mysterious tomb carvings provide dark evidence that ancient Egyptians practiced cannibalism but there is no explanation as to why; experts use modern-day tech to reveal more of Egypt's darkest secrets.

Explorers in search of a lost city built by Ramses II uncover startling evidence that reveals the extent of the ancient Egypt's scientific knowledge, and the new discoveries at this strange site offer more clues to Egypt's darkest secrets.

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.

The Scorpion King is a fabled character from Egyptian history, but new evidence suggests that he might have actually existed; new discoveries might answer the ancient mystery, and experts use modern-day tech to reveal more of Egypt's darkest secrets.

Nefertiti is one of ancient Egypt's most iconic pharaohs, and the latest tech helps experts in search of her mummy; what they discover might reveal the shocking truth about how she died, offering more clues to Egypt's darkest secrets.

Cataclysmic changes in ancient Egypt might have been caused by an extraordinary set of international phenomena, and the latest tech helps identify the supernatural culprit; what experts discover reveals a truth stranger than fiction.

Experts expose the truth behind a strange, battle-scarred building in the Middle East that holds the secrets to one of the world's most infamous deceptions.

A deserted facility in the remote countryside features mysterious graffiti that may be highly advanced mathematical equations pointing to a dark secret; experts investigate this classified military wasteland with a deadly past.

Remnants of a town in the remote backwoods of Kentucky suggest a forgotten tale of catastrophe and devastation; experts investigate and uncover the history of a deadly industrial mining complex.

An underground labyrinth once used by a secret police force could warp the mind and turn friend into foe; experts turn up new evidence pointing to madness, murder and mayhem, revealing what happened in these cursed tunnels and why it was abandoned.

The remnants of a settlement in Nevada are interspersed with disintegrating machinery; experts uncover an abandoned mine where dreams of discovering a fortune were met with chaos and murder.

A Mediterranean island paradise is not all that it seems; a complex of abandoned buildings once served to imprison the world's most dangerous Mafiosi; experts reveal who was imprisoned here and the secrets they left behind.

A complex of tall, windowless buildings in the American Rust Belt hold the secrets to a lost empire of industry and wealth; experts investigate these mysterious structures to reveal why this once powerful metropolis is now home to abandoned ruins.

The remnants of a settlement in Nevada are interspersed with disintegrating machinery; experts uncover an abandoned mine where dreams of discovering a fortune were met with chaos and murder.

A Mediterranean island paradise is not all that it seems; a complex of abandoned buildings once served to imprison the world's most dangerous Mafiosi; experts reveal who was imprisoned here and the secrets they left behind.

A complex of tall, windowless buildings in the American Rust Belt hold the secrets to a lost empire of industry and wealth; experts investigate these mysterious structures to reveal why this once powerful metropolis is now home to abandoned ruins.

An underground labyrinth once used by a secret police force could warp the mind and turn friend into foe; experts turn up new evidence pointing to madness, murder and mayhem, revealing what happened in these cursed tunnels and why it was abandoned.

Cataclysmic changes in ancient Egypt might have been caused by an extraordinary set of international phenomena, and the latest tech helps identify the supernatural culprit; what experts discover reveals a truth stranger than fiction.

Experts expose the truth behind a strange, battle-scarred building in the Middle East that holds the secrets to one of the world's most infamous deceptions.

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

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.

Some of the brightest minds and theorists on the planet explore the limits of human knowledge and explain the science behind the rules of the universe.

Earth's journey through the universe is a perilous one; new discoveries reveal that the planet is heading toward a mysterious area of the cosmos.

A legendary train filled with stolen Nazi gold is said to be hidden in Poland; using cutting-edge technology, Rob Nelson and Stefan Burns explore deep underneath the earth's surface and in abandoned Nazi tunnels in search of the infamous legend.

Searching for the fabled lost Temple Treasures of Jerusalem and King Solomon's hidden mines.

Nikola Tesla died before he finished a mysterious invention, but the ground beneath his only remaining lab might hold clues; Rob Nelson and Stefan Burns are the first to use cutting-edge tech to investigate Tesla's underground secrets.

A massive supervolcano beneath Naples, Italy, may be on the verge of erupting again, which could have apocalyptic consequences across the planet; Rob Nelson and Stefan Burns use cutting-edge technology to investigate this disturbing new evidence.

New theories claim that the legendary sunken city of Atlantis actually could have been in the Americas; Rob Nelson and Stefan Burns investigate evidence that might shed more light on one of the world's greatest mysteries.

A strange cave freezes in the summer and melts in the winter; a massive sand dune swallows a small child in an instant.

Satellite images capture a bizarre pattern of large concentric circles formed in a remote English forest; experts investigate and uncover a top secret experimental bomb testing site critical to WWII British weapons development.

Satellite images capture a gigantic oval among a bizarre grid pattern that's carved into the dense forests of New Jersey; experts investigate and reveal a landscape linked to infamous prohibition activity and a prolific WWI munitions factory.

Satellite images capture a mysterious collection of sprawling towns that appear to be completely unoccupied in Belarus; experts investigate and uncover a horrendous state-sanctioned cover-up responsible for claiming thousands of innocent lives.

Strange barren rings in the Namib Desert; an island the size of Manhattan disappears without trace; a lost city in the middle of the Amazonian jungle.

NASA astronaut Mike Barratt explains photographing a strange ring in the ice on the world's oldest and most mysterious lake from the International Space Station; more rings on Lake Baikal have been seen.

How the Eye of the Sahara, a beautiful 25 mile structure, is formed remains a mystery; incredible clouds emanating from an island in the Indian Ocean could be evidence of a terrifying new weather weapon.

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.

NASA astronaut Mike Barratt explains photographing a strange ring in the ice on the world's oldest and most mysterious lake from the International Space Station; more rings on Lake Baikal have been seen.

How the Eye of the Sahara, a beautiful 25 mile structure, is formed remains a mystery; incredible clouds emanating from an island in the Indian Ocean could be evidence of a terrifying new weather weapon.

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.

Strange barren rings in the Namib Desert; an island the size of Manhattan disappears without trace; a lost city in the middle of the Amazonian jungle.

A strange cave freezes in the summer and melts in the winter; a massive sand dune swallows a small child in an instant.

Satellite images capture a bizarre pattern of large concentric circles formed in a remote English forest; experts investigate and uncover a top secret experimental bomb testing site critical to WWII British weapons development.

The guys investigate whether or not a farmer's trousers can suddenly explode. Hosts: Jamie Hyneman and Adam Savage.

Adam and Jamie build the mother of all cannons; nutritional value of breakfast cereal.

Existence of a massive whirlpool; snowplows burying people.

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.

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

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

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.

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.

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.

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.

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.

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.

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.

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

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

Can a car stereo destroy a car with just sound?; Australian tall tales.

Jamie and Adam see if a hurricane can blow the feathers off a chicken.

Adam and Jamie push the limits when it comes to speed; they take on speed cameras in an action-packed adventure.

Prepared mustard; violins; nuts and bolts; toilet paper.

Fresh-cut flowers; adhesive tape; tofu; lottery tickets.

Inflatable watercraft; couscous; modeling dough. Host: Mark Tewksbury.

Wind generators; PVC gloves; ThermoFormed glass. Host: Mark Tewksbury.

Discovering how office chairs, vinobrew and reconditioned sander drums are made.

Following how fireplace bellows, calissons and recreational watercraft are made.

How artist brushes, DEF tank heaters and game tables are made.

How foosball tables, Marseille soap and Laguiole pocket knives are made.

Space pens; reef aquariums; metal caskets; composite bike wheels.

Native healing drums; raisins; stereoscopic viewers; ribbon microphones.

Horse bits; oat cereal; turquoise jewelry; electric scooters.

Nail nippers; jade putters; ice cider; water skis.

The Inca capital of Cuzco was said to be the site of untold gold and riches, and new discoveries at this mysterious site reveal the secrets behind this mighty empire's fall.

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.

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

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.

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.

A team using the latest technology searches for clues as to what caused the Maya to abandon their cities in the ninth century.

The downfall of the powerful Maya city of Palenque continues to mystify archaeologists today; now, investigators gain rare access to explore lost tombs to reveal the truth behind this legendary city and the mystery behind its enigmatic queens.

A team using the latest technology searches for clues as to what caused the Maya to abandon their cities in the ninth century.

The downfall of the powerful Maya city of Palenque continues to mystify archaeologists today; now, investigators gain rare access to explore lost tombs to reveal the truth behind this legendary city and the mystery behind its enigmatic queens.

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.

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.

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.

When NASA discovers something strange on Saturn's biggest moon, experts investigate if aliens feeding on the world's electric atmosphere could be the culprit; the disturbing evidence points to an apocalypse if these monsters ever make it to Earth.

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.

When the Soviet Union unveils its own space shuttle, the CIA hatches a secret revenge plot; recent discoveries shed new light on the destruction of Sodom and Gomorrah; a missing nuclear weapon could threaten a NASA base in the Arctic.

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.

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 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 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.

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.

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.

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.

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 strange discovery by NASA's Mars Curiosity rover suggests the Red Planet was home to an alien nuclear war 300 million years ago; experts investigate if an extraterrestrial Armageddon transformed an Earth-like world into a wasteland.

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.

The last humans to walk on the Moon discover something strange on the surface; a NASA scientist investigates a strange phenomenon responsible for horrific mass deaths; a landmark NASA mission threatens to destroy the reputation of an American hero.

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.

An unassuming 80-year-old device that has the appearance of a typewriter could actually be one of the greatest secret weapons in history; using cutting-edge digital technology, experts investigate the secrets of a revolutionary encryption machine.

A strange 3,000-year-old relic found in an ancient Minoan palace is marked with enigmatic images that no one has ever managed to decode; experts might finally reveal its secrets using cutting-edge technology.

The Obsidian Mirror is a mysterious artifact crafted from volcanic rock, and it's said to be a supernatural device used to communicate with angels and spirits; experts use cutting-edge tech to discover who made this strange relic and why.

Hidden away in museums, laboratories and storage rooms around the world are the most remarkable and mysterious objects on Earth, and using the latest research and technology, experts investigate these incredible artifacts to uncover their secrets.

Hidden away in museums, laboratories and storage rooms around the world are the most remarkable and mysterious objects on Earth, and using the latest research and technology, experts investigate these incredible artifacts to uncover their secrets.

A bronze disk adorned with gold may contain the oldest images of the cosmos ever discovered.

Cameras capture an intense explosion in Ontario, Calif., that rips apart a suburban home and sends panicked onlookers running for their lives; experts investigate and suspect a potential detonation of an enormous cache of illegal fireworks.

Cameras capture an enormous fireball erupting along with a series of explosions in a North Korean border town; experts investigate and discover a cramped and overcrowded housing project linked to a deadly propane tank disaster.

Cameras capture a towering 1,600 foot pillar of flame erupting from the Caspian Sea off the coast of Azerbaijan; experts investigate a potential link to the nation's weapons arsenal and military aspirations over disputed neighboring territory.

Cameras capture stunned pedestrians running for cover as droplets of fire begin to rain down on the streets of St. Petersburg, Russia; experts investigate a network of nearby tram lines and the effect of a sudden lightning storm.

Motorcyclists film a bizarre, elongated humanoid creature walking along a road in Jharkhand, India; experts investigate the violent history behind an organized cult of professional robbers and murderers who targeted unsuspecting travelers.

A vacationing family films waves of fire breaking along the shores of an Indonesian island; experts investigate a possible connection to a classified WWII beach-burning weapon developed by the British to incinerate invading armies.

A villager captures a moment of horror as a mysterious series of explosions lights up a mountainside in India; experts investigate a possible link to lost plutonium during a Cold War spy mission that went disastrously wrong.

Motorcyclists film a bizarre, elongated humanoid creature walking along a road in Jharkhand, India; experts investigate the violent history behind an organized cult of professional robbers and murderers who targeted unsuspecting travelers.

A vacationing family films waves of fire breaking along the shores of an Indonesian island; experts investigate a possible connection to a classified WWII beach-burning weapon developed by the British to incinerate invading armies.

A villager captures a moment of horror as a mysterious series of explosions lights up a mountainside in India; experts investigate a possible link to lost plutonium during a Cold War spy mission that went disastrously wrong.

Cameras capture stunned pedestrians running for cover as droplets of fire begin to rain down on the streets of St. Petersburg, Russia; experts investigate a network of nearby tram lines and the effect of a sudden lightning storm.

A bronze disk adorned with gold may contain the oldest images of the cosmos ever discovered.

Cameras capture an intense explosion in Ontario, Calif., that rips apart a suburban home and sends panicked onlookers running for their lives; experts investigate and suspect a potential detonation of an enormous cache of illegal fireworks.

After Neil Armstrong's moonwalk, he leads an expedition into the Amazon to find a legendary library that holds all knowledge of an advanced alien civilization; experts ask if a close encounter on the moon's surface inspired Armstrong's quest.

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.

A NASA probe captures an image of a familiar structure on Mars' surface.

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; rogue stars.

Trask and his crew take on one of the world's largest bronze statues, Pegasus and Dragon, and they need to figure out how to get on this colossus of a structure; one of the world's largest roller coasters is due for an inspection.

Trask and his team take on the iconic Space Needle in Seattle to fix an aging window-washing basket; in San Antonio, they look to get a stadium ready for game day.

Trask and his crew take on New Bullards Dam, and they need to place critical target sensors for monitoring seismic activity; in Colorado, a bird detection system needs to be installed at a wind turbine facility.

Trask and his crew scale Sutro Tower to inspect crucial cable junctions and must avoid deadly radiation at nearly 1,000 feet in the air; in Oregon, loose boulders need to be removed along a cliffside road that needs to be reopened.

Trask and his crew look for any critical issues on Foresthill Bridge in California, a vital escape route during wildfires; in Garden City, Kan., the team needs to inspect massive grain elevators where one spark could ignite a devastating explosion.

Trask takes on a decommissioned lighthouse 32 miles off the coast of North Carolina, and the crew must work suspended above shark-infested waters; an aging stadium with corroding catwalks needs maintenance for hockey season.

A construction crane collapses while lifting a one million-ton section of roof for Milwaukee's Miller Park stadium; experts use the latest science to investigate what went wrong.

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.

A fire in an American town that has been burning since 1962; a massive flood threatens Chicago's iconic skyscrapers; a town swallowed by the sea; experts use cutting-edge technology to reveal what went wrong and if they can be fixed.

A railroad bridge on the edge of disaster, a nightmare in a fairy-tale town, and a massive cathedral in calamity are engineering catastrophes in need of repair; experts use cutting-edge technology to reveal if they can be fixed.

A skyscraper sinking into the earth, the world's strongest wall in crisis, and a deadly bridge are engineering catastrophes in need of repair, and experts use cutting-edge technology to reveal what went wrong and if they can be fixed.

A skyscraper causing hellish heat in downtown Dallas, a swarm of sinkholes, and a landmark with a fatal secret are engineering catastrophes in need of repair, and experts use cutting-edge technology to reveal what went wrong and if they can be fixed.

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.

A skyscraper sinking into the earth, the world's strongest wall in crisis, and a deadly bridge are engineering catastrophes in need of repair, and experts use cutting-edge technology to reveal what went wrong and if they can be fixed.

A skyscraper causing hellish heat in downtown Dallas, a swarm of sinkholes, and a landmark with a fatal secret are engineering catastrophes in need of repair, and experts use cutting-edge technology to reveal what went wrong and if they can be fixed.

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.

A railroad bridge on the edge of disaster, a nightmare in a fairy-tale town, and a massive cathedral in calamity are engineering catastrophes in need of repair; experts use cutting-edge technology to reveal if they can be fixed.

Trask takes on a decommissioned lighthouse 32 miles off the coast of North Carolina, and the crew must work suspended above shark-infested waters; an aging stadium with corroding catwalks needs maintenance for hockey season.

A construction crane collapses while lifting a one million-ton section of roof for Milwaukee's Miller Park stadium; experts use the latest science to investigate what went wrong.