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.

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.

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.

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.

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.

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.

When a former Area 51 insider alleges that the Roswell UFO incident was a nefarious Soviet conspiracy masterminded by Stalin, experts investigate if it was indeed an enemy plot against America -- or if the confession is just another cover-up.

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 Rosetta mission is a groundbreaking expedition to land on a comet for the very first time; special access reveals what this cutting-edge journey discovers and how these mysterious objects help create life on Earth.

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.

Reigning champion Tombstone takes on the legendary Gigabyte as the battles heat up to take home the renowned BattleBots trophy.

A brutal match-up between Icewave and Yeti ignites the Battlebox, while the best bots in the world flex their gears.

World-class robots Bronco and Bombshell go head-to-head as the elite group of robots compete for the title of 2018 BattleBots World Champion.

Rookie bot End Game and former BattleBots champ Bite Force duke it out in an action-packed night of battles.

BattleBots royalty Bronco and Lock-Jaw fight to the death as the competition for 2018 BattleBots World Champion gets fierce.

Elite bots Icewave and Skorpios square off in an epic throw down, and the rest of the bots battle to secure their spots in the Sweet 16.

Undefeated bots Bronco and Duck! duke it out in the battlebox as the race to become BattleBots World Champion heats up.

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 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 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 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.

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.

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.

Elite bots Icewave and Skorpios square off in an epic throw down, and the rest of the bots battle to secure their spots in the Sweet 16.

Undefeated bots Bronco and Duck! duke it out in the battlebox as the race to become BattleBots World Champion heats up.

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.

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.

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

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.

The galaxy is full of stars ready to explode into supernovas, a stellar detonation powerful enough to destroy all life on Earth; it's an event that hasn't occurred in 400 years, and the search is on to locate which star may be next.

As the Nazis embark on their dominate rise to power, a massive construction project secretly begins across Eastern Germany; using the latest tech, experts uncover an elaborate network of underground tunnels and bunkers with frightening ambitions.

Experts uncover a mysteriously abandoned underground complex that may have hid something very dark.

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

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

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 strange Cuban prison, an eerie escape route built for Armageddon, and an underwater marvel that changed history are mysterious deserted engineering projects, and new discoveries reveal how they were built and why they were abandoned.

A strange alien shrine on a mountain peak; a bridge built in the Alaskan wilderness; an American castle with a dangerous secret.

A secret Russian military base in the Gobi Desert; a strange complex in an American wasteland; a relic high atop a mountain.

Desert bunkers in Tunisia block Allied victory in Africa; the pride of one Alabama community is born out of a harsh reality; a Lebanese complex is rocked by a massive explosion; the remains of an elite institution still stand in Greece.

A terrifying sea fortress, a highway in the Amazon that suddenly vanishes, and a mysterious structure in the shadow of the Statue of Liberty are deserted engineering projects; discoveries reveal how they were built and why they were abandoned.

Eerie ghost ships stranded in an alien desert, sinister ruins known as the Dragon's Teeth, and a ghostly complex with a bloody past are deserted engineering projects, and new discoveries reveal how they were built and why they were abandoned.

Desert bunkers in Tunisia block Allied victory in Africa; the pride of one Alabama community is born out of a harsh reality; a Lebanese complex is rocked by a massive explosion; the remains of an elite institution still stand in Greece.

A terrifying sea fortress, a highway in the Amazon that suddenly vanishes, and a mysterious structure in the shadow of the Statue of Liberty are deserted engineering projects; discoveries reveal how they were built and why they were abandoned.

Eerie ghost ships stranded in an alien desert, sinister ruins known as the Dragon's Teeth, and a ghostly complex with a bloody past are deserted engineering projects, and new discoveries reveal how they were built and why they were abandoned.

A secret Russian military base in the Gobi Desert; a strange complex in an American wasteland; a relic high atop a mountain.

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.

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 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.

An astronomer records an unusual radio signal from beyond the solar system; FBI agents find classified documents at the home of a NASA scientist; when scientists discover strange DNA in the octopus, they examine if their origins could be alien.

Gravitational waves are helping scientists explore the cosmos in revolutionary, new ways, and the discoveries they make are revealing the universe's greatest mysteries.

An explosion in the discovery of exoplanets is challenging everything we know about our universe; experts use cutting-edge astronomy to investigate these mysterious alien worlds and how they defy the laws of physics.

New evidence could finally explain a mysterious UFO encounter in the Bermuda Triangle, and using cutting-edge tech and the latest underwater discoveries, a team of experts investigate if aliens have visited this strange stretch of water.

To find the truth behind unexplained phenomena, experts follow new clues to underwater alien anomalies that some believe have ties to the lost city of Atlantis.

Experts are hot on the trail of a legendary sea monster that reportedly lives in the underwater caves of the Bermuda Triangle; divers hunt for the deadly beast in underwater chambers.

Brand-new discoveries may finally explain the truth behind one of the Bermuda Triangle's most infamous disappearances.

Five US Navy planes vanish without a trace in the Bermuda Triangle, fueling speculation that this strange stretch of water is cursed.

A new lead may finally solve the mystery of the Witchcraft, a yacht that disappeared in the Bermuda Triangle in 1967; a cutting-edge expedition leads experts to a surprising discovery on the ocean floor.

Sightings of ghost ships are normal in the Bermuda Triangle and using underwater technology and witness testimony, a team of experts find new evidence to tell why sailors and crewmen vanish from their ships without a trace.

Images of earth from space show an intimate portrait of human activity; cities glow bright while the wilderness remains dark, but the Australian outback is lit up like a series of vast cities.

Satellites find American stealth technology deep inside China; an unidentified cloud swamps America's skies; something very large is lurking beneath Loch Ness.

Desperate signs from lost veterans in Vietnam; a fleet of large ships stranded in the middle of a vast desert; strange walls stretching vast distances across Northern California.

A satellite finds a set of large arrows in the badlands of the American west; a blood red waterfall stains Antarctica's snows; a plague of massive holes in the Siberian landscape.

The face of Christ is discovered in a field in Hungary; a photo that claims to show who shot down a passenger jet in Ukraine; a sinister shape in the mountains of Afghanistan that leads investigators to a hidden genocide.

A strange structure is discoverd in Mongolia; bizarre rings in Spain could lead to the lost city of Atlantis; a large floating island is on a collision course with New Zealand.

A satellite finds a set of large arrows in the badlands of the American west; a blood red waterfall stains Antarctica's snows; a plague of massive holes in the Siberian landscape.

The face of Christ is discovered in a field in Hungary; a photo that claims to show who shot down a passenger jet in Ukraine; a sinister shape in the mountains of Afghanistan that leads investigators to a hidden genocide.

A strange structure is discoverd in Mongolia; bizarre rings in Spain could lead to the lost city of Atlantis; a large floating island is on a collision course with New Zealand.

Desperate signs from lost veterans in Vietnam; a fleet of large ships stranded in the middle of a vast desert; strange walls stretching vast distances across Northern California.

A new lead may finally solve the mystery of the Witchcraft, a yacht that disappeared in the Bermuda Triangle in 1967; a cutting-edge expedition leads experts to a surprising discovery on the ocean floor.

Sightings of ghost ships are normal in the Bermuda Triangle and using underwater technology and witness testimony, a team of experts find new evidence to tell why sailors and crewmen vanish from their ships without a trace.

Questioning reality with the most mind-melting videos experts can find; discovering see-through animals, algae-powered motorcycles, and a human-sized chicken.

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

Counting down the top 20 internet legends; the smartest, brightest and bravest people who use their science know-how to thrill; how to light matches with bullets, walk the world's longest highline, and kayak in the snow.

New discoveries suggest that a sea beast like the Kraken could have existed, and experts examine a strange monster that could give shocking answers into this underwater mystery.

A new excavation at the mysterious home of the Minoans leads to a startling discovery about real-life origins of the Minotaur, and experts decode artifacts that point to bloody human sacrifices for the ferocious monster.Guests: Joy Reidenberg, Margee Kerr, Brian Regal, Richard Schwab..

New discoveries reveal the bloody origin of the feathered snake god, and experts investigate why the ancient Mesoamericans believed that human sacrifice was the only way to appease the deadly monster.

New discoveries reveal the terrifying evidence of the cyclops, a one-eyed cannibal that could have been more than just a story.

New discoveries reveal hard evidence showing that dragons were not just the stuff of nightmares, and experts use the latest science to explain why people believed in these wicked creatures.

The latest science reveals that demons aren't just the stuff of horror stories, and as experts investigate shocking new archaeological evidence, they uncover the gruesome methods used to exorcise humans of demonic possessions.Guests: Joy Reidenberg, Margee Kerr, Brian Regal, Richard Schwab..

Terrifying new discoveries reveal the bloody truth behind the legends of vampires, and experts investigate why people believed these monsters had a taste for human blood.

Werewolves were once so feared, people suspected of the power were hunted and killed, but even so, many admitted that they could become these deadly creatures, and new evidence reveals why a powerful hallucinogenic drug could be to blame.Guests: Brian Regal, Joy Reidenberg, Richard Schwab..

New discoveries reveal the truth behind the Loch Ness Monster, and experts investigate the world's most mysterious waters in search of evidence that a prehistoric monster could still be lurking in the deep.

In the Australian rain forests of Lake Eacham, a scientist discovers a mysterious mouse-like creature that glows in the dark; strange cylindrical tubes are uncovered in the forests of India; hundreds of human bones are found in a Belizean cave.

In the remote Cagayan Valley of the Philippines, archaeologists discover the remains of an ancient rhinoceros; a Brazilian island is infested with thousands of deadly vipers; researchers uncover shocking human remains deep in a Kenyan cave.

In the tropical lowlands of Northern Colombia, a team of scientists discover a massive, unidentified animal vertebra; dozens of jars packed with bones are uncovered in Cambodia; a strange rusted vehicle is found on the small island of Peleliu.

On the island of Madagascar, paleontologists discover an intact fossil unlike any known animal, living or extinct. Also, bizarre stone spheres are discovered in Costa Rica and the curious remains of a small man are found in Chiapas, Mexico.

On the volcanic island of Kolombagara, explorers uncover a mysterious man-made cave in the dense jungle; a researcher finds two unknown animal skulls in Vietnam; human remains are discovered in a narrow chamber of a South African cave system.

Off the coast of Tanzania, a puzzling site containing massive stone blocks is revealed on Kilwa Island; the discovery of giant animal bones baffle researchers in Australia; hundreds of human bones are uncovered in a Guatemalan rain forest.

On the island of Madagascar, paleontologists discover an intact fossil unlike any known animal, living or extinct. Also, bizarre stone spheres are discovered in Costa Rica and the curious remains of a small man are found in Chiapas, Mexico.

On the volcanic island of Kolombagara, explorers uncover a mysterious man-made cave in the dense jungle; a researcher finds two unknown animal skulls in Vietnam; human remains are discovered in a narrow chamber of a South African cave system.

Off the coast of Tanzania, a puzzling site containing massive stone blocks is revealed on Kilwa Island; the discovery of giant animal bones baffle researchers in Australia; hundreds of human bones are uncovered in a Guatemalan rain forest.

In the tropical lowlands of Northern Colombia, a team of scientists discover a massive, unidentified animal vertebra; dozens of jars packed with bones are uncovered in Cambodia; a strange rusted vehicle is found on the small island of Peleliu.

Werewolves were once so feared, people suspected of the power were hunted and killed, but even so, many admitted that they could become these deadly creatures, and new evidence reveals why a powerful hallucinogenic drug could be to blame.Guests: Brian Regal, Joy Reidenberg, Richard Schwab..

New discoveries reveal the truth behind the Loch Ness Monster, and experts investigate the world's most mysterious waters in search of evidence that a prehistoric monster could still be lurking in the deep.

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.

Assembling the internet's most valuable players, the heroes who use science to win the day; the world's longest manual riding a skateboard; people pulling cars with their teeth; a person skiing behind a super car.

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.

Custom knee braces; air conditioners; window films; motorcycle exhaust.

More everyday items are put under the microscope; discovering how solid state drives, eyeshadow, limousines and dead blow hammers are made.

More everyday items are put under the microscope; discovering how dragster tyres, icing, floating docks and spiral pipes are made.

The processes of making belts, 3-D metal printers, detectable warning panels, and model Stirling engines.

The processes of making compression and extension springs, micro drill bits, skiffs, and painted glass backsplashes.

Find out how peaked caps, custom water heaters, electric boats and fencing foils are made.

The processes of making tin whistles, horn products, and Formula F race cars.

How motorcycle goggles and pewter shaving sets are produced; the construction behind jukeboxes and vacuum excavators.

Baseball gloves; medical electrodes; Stetson hats.

Pneumatic impact wrenches; cultured marble sinks; plantain chips; NASCAR stock cars.

Jaws of life; artificial Christmas trees; soda crackers; ratchets.

Thermometers; produce scales; aircraft painting; luxury chocolates.

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 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.

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.

When the airship Hindenburg exploded, the globe's biggest aircraft in history became one of its greatest catastrophes, and new technology may show what caused the fatal crash and if it was sabotage.

The Empire State Building is one of the wonders of the modern world, and cutting-edge tech helps experts explore it like never before, revealing the secrets of its construction and the mysteries hidden deep in its foundation.

Mount Rushmore is one of America's most iconic landmarks, but there are dark mysteries behind its presidential faces; experts use cutting-edge tech and the latest science to reveal what lies beneath the rock and the secret history of its creation.

The story of the Apollo 11 moon landing is told with footage not seen anywhere else, revealing how an army of engineers, scientists and astronauts went to incredible lengths to achieve America's greatest technological feat.

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.

The story of the Apollo 11 moon landing is told with footage not seen anywhere else, revealing how an army of engineers, scientists and astronauts went to incredible lengths to achieve America's greatest technological feat.

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.

Mount Rushmore is one of America's most iconic landmarks, but there are dark mysteries behind its presidential faces; experts use cutting-edge tech and the latest science to reveal what lies beneath the rock and the secret history of its creation.

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.

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.

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

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.

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

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.

Investigating the mysterious pattern of rocks at the bottom of Lake Michigan known as Underwater Stonehenge; at the notorious Alcatraz prison, Rob uses state-of-the-art technology in search of rumored escape tunnels.

Investigating rumors of a secret underground escape route used by the infamous gangster Al Capone; trying to uncover who or what built a vast landscape of earthen mounds in Washington state.

Exploring mysterious tunnels beneath Denver's airport, capitol building and downtown to investigate rumors of a secret organization that operates below; in Ohio, trying to uncover the ancient secrets of a giant mound shaped like a serpent.

Hunting for a legendary mass grave that could expose a dark secret of America's industrial past; using cutting-edge technology to find out why a giant lake is mysteriously disappearing high in the mountains.

Investigating a cluster of ancient ruins in New England that suggest Europeans arrived in the Americas almost 1,000 years before Columbus; heading to California where a dormant super volcano may be showing new signs of life.

Heading to California to investigate a network for major fault lines that could set off an unprecedented mega-quake; he explores a mysterious sinkhole that some believe is an endless pit to the center of the Earth.

Examining a set of bizarre markings that suggest a violent clash between prehistoric beasts; in California, Rob investigates to see if a strange lake is a home to alien life.

One of the greatest legends of all time, King Arthur; ruins of a fifth-century fort that once served as Arthur's administrative capital.

Josh journeys to Mongolia's forbidden zone to find Genghis Khan's tomb.

Josh travels the English countryside in search of the real Robin Hood.

Josh treks high into the Sky Caves of Nepal in search of the origins of the Shangri-La myth, the fabled heaven on earth.

Searching for gold in the Philippines hidden by Japan in WWII.

Josh explores the history of vampirism in Romania and Bulgaria.

Josh treks high into the Sky Caves of Nepal in search of the origins of the Shangri-La myth, the fabled heaven on earth.

Searching for gold in the Philippines hidden by Japan in WWII.

Josh explores the history of vampirism in Romania and Bulgaria.

Josh travels the English countryside in search of the real Robin Hood.

Heading to California to investigate a network for major fault lines that could set off an unprecedented mega-quake; he explores a mysterious sinkhole that some believe is an endless pit to the center of the Earth.

Examining a set of bizarre markings that suggest a violent clash between prehistoric beasts; in California, Rob investigates to see if a strange lake is a home to alien life.

An astronauts space walk is disrupted by bright light; a flying saucer is photographed.

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.

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.

We don't yet know where the edge of the universe is or what happens there; but thanks to cutting-edge technology and new discoveries, experts might finally reveal the secrets of the phenomena that can be found in deepest reaches of the cosmos.

The universe's stars are dying off faster than new ones are born; using the latest technology, experts investigate the secrets of the last stars of the cosmos and what this stellar apocalypse means for life on Earth.

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

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

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

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

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

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

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

Cameras capture falling objects that explode into a colorful chain reaction over the skies of Andoya Island in Norway; experts investigate a secret WWII Nazi complex linked to a weapons technology that may have been discovered by the Russians.

Cameras onboard a massive cargo ship in the Black Sea capture the vessel buckling and breaking in half as if seized by a mysterious force; experts investigate a bizarre area of perilous waters linked to a history of Bermuda Triangle-like sinkings.

A villager films a river bank suddenly rising as though a gigantic creature is emerging from beneath the waters in India; experts investigate a potential network of criminal gangs who may be stripping river beds of a very valuable commodity.

A truck engulfed in flames barrels down a lonely Brazilian highway, which could be the result of a sudden forest fire; experts investigate the story of a driver who somehow maneuvers his blazing cargo to a safe location.

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 cube spins through the skies over Missouri, raising questions about its propulsion system.

A truck engulfed in flames barrels down a lonely Brazilian highway, which could be the result of a sudden forest fire; experts investigate the story of a driver who somehow maneuvers his blazing cargo to a safe location.

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 cube spins through the skies over Missouri, raising questions about its propulsion system.

A villager films a river bank suddenly rising as though a gigantic creature is emerging from beneath the waters in India; experts investigate a potential network of criminal gangs who may be stripping river beds of a very valuable commodity.

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

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

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

A mysterious object is orbiting Saturn, and it looks just like the Death Star; new evidence might shed new light on the mysterious death of Yuri Gagarin, the first man in space; when a cutting-edge satellite vanishes, fears of a space war escalate.

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.

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.

Adam Savage and a demolition expert team up to test one of the most dangerous and explosive substances on the planet, and cutting-edge science and tech will reveal if nitroglycerine really deserves its notorious reputation.

Adam Savage and inventors build a deadly fleet of junkyard vehicles that look straight out of.

Adam Savage and a NASA engineer team up to build a rocket-propelled experimental super-weapon that could have changed the course of World War II; using cutting-edge tech, they try to make this notorious engineering failure an explosive success.

Adam Savage teams up with filmmaker Peter Jackson (Guests: Peter Jackson..

Adam Savage teams up with Oscar-winning actor Gary Oldman to build one of Hollywood's deadliest weapons, the ZF1 Multi-Artillery Gun from.

Adam wants to build his own version of King Arthur's legendary sword: Excalibur; using the iron found in a meteorite, he attempts to make an indestructible weapon.

Richard Browning, the inventor and chief test pilot of the Gravity Jet Suit, which is powered by five 1,000-horsepower mini jet engines, helps get Adam's titanium Marvel Studios' Iron Man-inspired suit to fly.

When a new bridge suddenly collapses in Miami, several die in a horrifying calamity; experts use the latest science to investigate what went wrong and how an innovative bridge-building technique could be to blame.

One of the world's tallest skyscrapers threatens to rain solid rock on downtown Chicago; experts investigate and uncover how an extreme climate eventually altered the integrity of the building's marble facade.

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

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

An abandoned Vegas-style getaway with a deadly secret; a ghost town sinking into the earth; a passenger train on a course for disaster.

A skyscraper raining deadly bolts on the streets below, a highway on the brink of collapse, and a catastrophic landslide are engineering crises in need of repair, and experts use the latest science to reveal what went wrong.

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

An abandoned Vegas-style getaway with a deadly secret; a ghost town sinking into the earth; a passenger train on a course for disaster.

A skyscraper raining deadly bolts on the streets below, a highway on the brink of collapse, and a catastrophic landslide are engineering crises in need of repair, and experts use the latest science to reveal what went wrong.

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

Adam wants to build his own version of King Arthur's legendary sword: Excalibur; using the iron found in a meteorite, he attempts to make an indestructible weapon.

Richard Browning, the inventor and chief test pilot of the Gravity Jet Suit, which is powered by five 1,000-horsepower mini jet engines, helps get Adam's titanium Marvel Studios' Iron Man-inspired suit to fly.

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.

An astronomer records an unusual radio signal from beyond the solar system; FBI agents find classified documents at the home of a NASA scientist; when scientists discover strange DNA in the octopus, they examine if their origins could be alien.

Scientists wonder why Jupiter is hotter than it should be; the Curiosity Rover finds something strange on Mars; detectives turn to NASA for help with a murder cold case.

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 mysterious town in South Africa is deserted, even though it was once a booming community; experts reveal the cataclysm that caused the people of this once-prosperous town to suddenly leave and never come back.

Abandoned buildings on a desolate island near Greece provide evidence of a group of people who were forbidden to leave.

A haunted prison that once housed America's most notorious criminals stands in ruin today, and experts reveal evidence of ghostly secrets hidden in the crumbling jailhouse walls.

A one-time fairytale castle is rumored to be haunted; experts investigate the secrets and ghostly stories of this eerie fortress.

A railroad enterprise once built this company town for its workers to live in, but when thousands of employees went on strike, the military intervened; the history of the complex remains as relevant as ever.

At a nondescript bowling alley in South Carolina, evidence of a peaceful student protest that turned deadly comes to light; a series of tunnels in L.A. becomes a shady place for resourceful people in this sunny city.

The notorious owner of this Georgia plantation once held a sale of nearly 450 enslaved people; appalled at her husband's cruelty, the man's wife wrote and published a journal about the atrocities she witnessed.

A Revolutionary leader visits Alabama's first capital and leaves it bankrupt, an Oregon fort refuses to engage an enemy submarine during World War II, and a film studio in Jacksonville caters to a new audience.

Forgotten soldiers of the Old West guard a fort at the southern border.

Retracing the steps of freedom seekers escaping on the Underground Railroad, archaeologists use high tech to explore a Florida fort that was nearly erased from history.

Archaeologists unearth the lost community of Quindaro, Kan., a long-forgotten abolitionist town that shielded Freedom Seekers from bounty hunters; in Illinois, experts use tech tools to explore a secret underground tunnel.

Archaeologists uncover evidence of a Freedom Seeker community in the swampy marshlands between Virginia and North Carolina; in Maryland, experts investigate artifacts that may confirm the location of Harriet Tubman's childhood home.

Underwater archaeologists search for the wreck of the USS Planter, a Civil War vessel seized by Freedom Seekers to escape the Confederacy; in Canada, experts use tech to uncover how Freedom Seekers lived once they made it to their new homeland.

Archaeologists unearth the lost community of Quindaro, Kan., a long-forgotten abolitionist town that shielded Freedom Seekers from bounty hunters; in Illinois, experts use tech tools to explore a secret underground tunnel.

Archaeologists uncover evidence of a Freedom Seeker community in the swampy marshlands between Virginia and North Carolina; in Maryland, experts investigate artifacts that may confirm the location of Harriet Tubman's childhood home.

Underwater archaeologists search for the wreck of the USS Planter, a Civil War vessel seized by Freedom Seekers to escape the Confederacy; in Canada, experts use tech to uncover how Freedom Seekers lived once they made it to their new homeland.

Retracing the steps of freedom seekers escaping on the Underground Railroad, archaeologists use high tech to explore a Florida fort that was nearly erased from history.

At a nondescript bowling alley in South Carolina, evidence of a peaceful student protest that turned deadly comes to light; a series of tunnels in L.A. becomes a shady place for resourceful people in this sunny city.

The notorious owner of this Georgia plantation once held a sale of nearly 450 enslaved people; appalled at her husband's cruelty, the man's wife wrote and published a journal about the atrocities she witnessed.