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.

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.

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.

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.

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.

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.

Adam and Jamie challenge the science of virtual worlds from video games.

Swinging Luke and Leia across a chasm with a grappling hook; an Ewok log crushing an Imperial.

Myths Strike Back when Adam and Jamie once again confront the dark side of science in a workshop not so far away.

Car radiators; hatchery chicks; phyllo dough. Host: Mark Tewksbury.

Electric baseboard heaters; molded pulp containers; video games.

Firefighter boots; garden tools.

Plastic bottles and jars, mail, eggs, handcrafted wood pens.

How flying water bikes, paint and cinnamon cordial are made.

How berets, pastis and stationary bikes are made.

Exploring how steel bistro furniture, letterpress printing and bamboo ceramic are made.

Technological corks; zinc gutters; traditional ham; chisteras.

Stagecoaches; road reflectors; fire-baked pottery; custom motorcycle tanks.

Clay pipes; drinking fountains; orange liqueur; compound bows.

Tissues; recreational trailers; slippers; motorcycle helmets.

U-locks; teepees; croissants; rolling luggage.

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

Palmyra: pearl of the Syrian desert; experts return to the site and use CGI reconstruction to reveal the secrets of Palmyra's ancient engineers.

The Dendera Temple is one of the best-preserved temples in all of Egypt; experts decipher its mystifying zodiac images and uncover the ceremonial events that took place at this sacred site, and stunning CGI rebuilds this grand complex in its prime.

The Avenue of the Sphinxes has now been unearthed in the biggest excavation in Egyptian history; using cutting-edge CGI, investigators reveal the hidden secrets of the sphinxes.

In 373 B.C., the Greek city of Helike vanished; archaeologists believe they've found the ruins of the great lost metropolis; using CGI, experts re-create the city's final moments and reveal its links to the greatest lost land of all -- Atlantis.

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

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

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

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

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

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

Palmyra: pearl of the Syrian desert; experts return to the site and use CGI reconstruction to reveal the secrets of Palmyra's ancient engineers.

The Dendera Temple is one of the best-preserved temples in all of Egypt; experts decipher its mystifying zodiac images and uncover the ceremonial events that took place at this sacred site, and stunning CGI rebuilds this grand complex in its prime.

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

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

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

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

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

Investigating various claims about King Arthur's origins and whether there is truth to his legend.

Investigating the identity of the Man in the Iron Mask, a nameless prisoner under Louis XIV.

Investigating a theory suggesting that Hitler did not kill himself at the end of World War II, but escaped to Argentina to live out the rest of his life in the foothills of Patagonia with his wife Eva Braun.

An Ethiopian church claims to have the Ark of the Covenant.

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

Unearthing the origins, tales and beliefs of Satanism as it grows in popularity and gains thousands of devotees.

The historic city of Petra in southern Jordan may contain treasures hidden within its rose-colored stone walls.

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

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

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

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

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

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

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

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

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

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

Unearthing the origins, tales and beliefs of Satanism as it grows in popularity and gains thousands of devotees.

The historic city of Petra in southern Jordan may contain treasures hidden within its rose-colored stone walls.

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

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

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

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

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

Scientists use cutting-edge technology to stop an asteroid apocalypse; mankind comes closer to keeping Earth safe from killer space rocks.

When a U.S. Air Force intercept aircraft chases after a UFO, it vanishes forever without a trace; a new investigation tries to uncover what caused this mysterious disappearance.

When two experts build their own radio-listening station to intercept the secret communications of American and Soviet astronauts, they capture traces of a haunting voice that may be a lost Russian cosmonaut.

When someone picks up a radio distress call from a seven-year-old boy lost alone in the desert, authorities embark on a search-and-rescue mission to find him; as the hunt continues, the case becomes more and more mysterious.

Experts use cutting-edge technology to investigate a mysterious phenomenon at the tomb of a 3,000-year-old Egyptian pharaoh.

When a powerful radio beam originating from deep space is detected by experts on Earth, some suspect it's hard evidence of extraterrestrial life; new investigations into this shocking signal might reveal the truth.

A Russian radio station has broadcast a signal nonstop since the Cold War, and no one knows why; experts use hi-tech methods to investigate what it is and what might happen if it ever stops.

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

A monk unveils what looks like the corpse of a mermaid; a note claims that the creature was caught in the 18th century; experts investigate the possibility that the strange figure was actually a hominid that evolved to live in the ocean.

When a bizarre, alien skeleton is found in an abandoned compound in the Himalayas, some speculate that it's the corpse of a newly-dead dinosaur, and using cutting-edge tech, experts investigate if it's evidence of a top-secret Jurassic Park.

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 strange creature on the site of one of the worst nuclear disasters ever sparks fears of a terrifying genetic mutation; new evidence suggests a legendary predator with a thirst for blood might have come back from the dead.

When a bizarre, alien skeleton is found in an abandoned compound in the Himalayas, some speculate that it's the corpse of a newly-dead dinosaur, and using cutting-edge tech, experts investigate if it's evidence of a top-secret Jurassic Park.

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 strange creature on the site of one of the worst nuclear disasters ever sparks fears of a terrifying genetic mutation; new evidence suggests a legendary predator with a thirst for blood might have come back from the dead.

A monk unveils what looks like the corpse of a mermaid; a note claims that the creature was caught in the 18th century; experts investigate the possibility that the strange figure was actually a hominid that evolved to live in the ocean.

When a powerful radio beam originating from deep space is detected by experts on Earth, some suspect it's hard evidence of extraterrestrial life; new investigations into this shocking signal might reveal the truth.

A Russian radio station has broadcast a signal nonstop since the Cold War, and no one knows why; experts use hi-tech methods to investigate what it is and what might happen if it ever stops.

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.

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.

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

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

The man-made islands of Dubai are modern-day engineering marvels that turn the Arabian Sea into high-priced real estate, and today, a team of expert engineers use cutting-edge technology to build a new city district where there was once only water.

A team of engineers overhauls London's underground infrastructure to build a world-class sewer system; using cutting-edge tech and the latest construction methods, they work to transform a centuries-old network into a modern-day masterpiece.

Engineers in Seattle are building the world's first floating railway bridge using innovative construction technology for high-speed trains.

Deadly avalanches and catastrophic flooding are ever-present threats at one of the world's busiest ski resorts, but new technology and cutting-edge construction methods help engineers conquer the elements to keep this mountain-top getaway safe.

A state of the art NATO airplane is one of the most complex surveillance tools in the world, and special access inside this behemoth reveals how cutting-edge engineering and a hi-tech midair refueling system helps its crew defend against threats.

The F-35 is the most advanced fighter jet on the planet, and special access into the most expensive military program ever reveals how engineers use cutting-edge technology to outfit this 1,200 mile-per-hour aircraft with a stealth system.

The world's largest heavy-lift ship can carry entire cruise ships halfway across the globe without stopping, and to do this, experts use cutting-edge maritime engineering and the latest science for herculean strength and first-class maneuverability.

An aging dam in Nebraska is overcome by flooding after the area is hit with a devastating bomb cyclone; an investigation reveals that massive chunks of ice unleashed by the superstorm played a critical role in the failure of the old structure.

New York residents get a rude awakening when a disastrous crane collapse causes chaos on the downtown streets of Manhattan; experts use the latest tech to investigate and reveal how a slight increase in wind conditions created major catastrophe.

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.

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.

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

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

A 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.

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

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

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

The F-35 is the most advanced fighter jet on the planet, and special access into the most expensive military program ever reveals how engineers use cutting-edge technology to outfit this 1,200 mile-per-hour aircraft with a stealth system.

The world's largest heavy-lift ship can carry entire cruise ships halfway across the globe without stopping, and to do this, experts use cutting-edge maritime engineering and the latest science for herculean strength and first-class maneuverability.

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

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

Apollo 12 astronauts bring back something alive from the moon; NASA tracks an asteroid heading towards Earth but make an incredible discovery.

For years, scientists suspected that the oceans came from molecules delivered to Earth from distant stars by asteroids, but a new discovery suggests that their true origins may be more exotic.

The incredible secrets of the moon are revealed; the moon might be responsible for life on Earth.

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.

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.

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.

The longest known cave system in the world spans hundreds of miles beneath the hills of Kentucky, and containing prehistoric artifacts and ancient human remains, experts reveal a subterranean mystery that may have changed the course of U.S. history.

Buried nearly a mile beneath the Black Hills of South Dakota is a cutting-edge laboratory at the forefront of astonishing scientific research; experts reveal advancements engineers achieved more than a century ago that keep it operating today.

Abandoned engineering projects include a classified Soviet machine built to prevent all-out nuclear war, a top-secret Nazi facility, and a strange tower that left an enduring legacy.

Some of the world's most incredible engineering projects are now deserted; Explore what happened to a cutting-edge research complex built by a visionary genius; an ambitious Nazi project that met a sinister end; a Cold War relic that changed history.

Stories of incredible engineering projects now deserted, including a massive military site that was once a hotbed for nuclear testing, a top-secret airbase hidden inside a mountain, and an otherworldly power plant.

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

An island of dense jungle is home to an abandoned complex with a dark past of bloodshed and rebellion, and new discoveries at this deserted place reveal why it was built and the gruesome circumstances of its downfall.

At an infamous prison in the Amazon, dangerous criminals faced hard labor, a hostile environment and death by guillotine; today, it's deserted and new discoveries reveal why this hellish compound was built and abandoned.

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

An island of dense jungle is home to an abandoned complex with a dark past of bloodshed and rebellion, and new discoveries at this deserted place reveal why it was built and the gruesome circumstances of its downfall.

At an infamous prison in the Amazon, dangerous criminals faced hard labor, a hostile environment and death by guillotine; today, it's deserted and new discoveries reveal why this hellish compound was built and abandoned.

Stories of incredible engineering projects now deserted, including a massive military site that was once a hotbed for nuclear testing, a top-secret airbase hidden inside a mountain, and an otherworldly power plant.

The longest known cave system in the world spans hundreds of miles beneath the hills of Kentucky, and containing prehistoric artifacts and ancient human remains, experts reveal a subterranean mystery that may have changed the course of U.S. history.

Buried nearly a mile beneath the Black Hills of South Dakota is a cutting-edge laboratory at the forefront of astonishing scientific research; experts reveal advancements engineers achieved more than a century ago that keep it operating today.

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

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

Evidence of alien technology around a distant star; speculation about Pluto's surface; Apollo astronauts are at a loss of words to describe an object they encountered while they approached the moon.

The heart of the M87 supermassive black hole, the first and only black hole ever photographed; the mystery of how it grew so large, what lies inside, and how it controls the entire galaxy.

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.

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.

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.

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.

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 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.

Descending into a cave 30 feet beneath Texas in search of evidence of a mass extinction event; heading to Lake Michigan to investigate an unexplained, Bermuda Triangle-like phenomenon that has caused ships to disappear for centuries.

A meteorite dagger found in the tomb of King Tut; a massive swastika found in the desert near Roswell, N.M.; using satellites to hunt for Joseph Kony.

A strange mass breaches surface of an ocean near Antarctica, sparking rumors of a mythological sea monster; an area of the US-Mexico border becomes an international mystery; ancient rock carvings in a remote mountain range depict unearthly beings.

An amateur archaeologist finds strange symbols scratched into the Kazakhstan desert; CIA surveillance photographs show what appears to be a giant Star of David on the island of Cuba; a lake in the Brazilian rain forest turns bright pink.

A heavily armored force takes over one of Syria's most ancient archaeology sites, prompting fears that its relics are being stolen; tanks appear to be facing off in Antarctica next to an unworldly object; a water reservoir in LA suddenly turns black.

A giant letter Z is carved into a Mexican hillside, evoking the mark of a legendary outlaw; a strange sighting in Germany points to secrets from the Cold War; Massive, blood-red marks in China prompt fears of a violent government crackdown.

A vast structure buried in the sands near the legendary city of Petra points to a bloody past; when terrorists kidnap more than 200 schoolgirls in northern Nigeria, rescuers use satellites to track them down.

A heavily armored force takes over one of Syria's most ancient archaeology sites, prompting fears that its relics are being stolen; tanks appear to be facing off in Antarctica next to an unworldly object; a water reservoir in LA suddenly turns black.

A giant letter Z is carved into a Mexican hillside, evoking the mark of a legendary outlaw; a strange sighting in Germany points to secrets from the Cold War; Massive, blood-red marks in China prompt fears of a violent government crackdown.

A vast structure buried in the sands near the legendary city of Petra points to a bloody past; when terrorists kidnap more than 200 schoolgirls in northern Nigeria, rescuers use satellites to track them down.

An amateur archaeologist finds strange symbols scratched into the Kazakhstan desert; CIA surveillance photographs show what appears to be a giant Star of David on the island of Cuba; a lake in the Brazilian rain forest turns bright pink.

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.

Descending into a cave 30 feet beneath Texas in search of evidence of a mass extinction event; heading to Lake Michigan to investigate an unexplained, Bermuda Triangle-like phenomenon that has caused ships to disappear for centuries.

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

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

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

The team tests if NASA really did land on the Moon.

Some believe the fire on Apollo One that killed three astronauts was a top-secret cover-up, and a team of experts investigate if this disaster was a tragic accident or part of a conspiracy to fake the moon landing.

Confidential CIA files reveal a top-secret war for space between the US and the Soviets, and a team of experts investigate if new discoveries about American espionage during the Apollo program provide evidence of a conspiracy.

Some believe that the moon's waving American flag is the smoking gun that NASA faked the moon landing, and as a team of experts investigate this strange piece of evidence, the trail leads all the way to some of Hollywood's biggest names.

The NASA tapes that recorded the Apollo 11 moon landing are missing, and some believe their disappearance is part of a cover-up to hide the truth; experts use cutting-edge tech to hunt for this lost evidence and shed light on a possible conspiracy.

Apollo 11's lunar module nearly killed Neil Armstrong during training, and some believe this close-call could explain a conspiracy to fake the moon landing; investigating if dangers that the Apollo 11 crew faced were motive for a cover-up.

A team of experts investigates if there was a conspiracy to fake the moon landing, and uncovers a secret report on hundreds of Nazis involved in the Apollo space program.

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

The story of how an underground group of scientists took on the establishment to send a spacecraft to Pluto, the most distant world ever seen up-close.

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

The story of how humans built machines that not only survived the perils of Jupiter, a massive and dangerous planet surrounded by a wreath of deadly radiation, but revealed its innermost secrets.

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

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

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

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

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

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

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

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

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

The story of how an underground group of scientists took on the establishment to send a spacecraft to Pluto, the most distant world ever seen up-close.

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

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

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

Plastic injection moulds, automotive oil filters, filing cabinets, blown glass.

High precision cutting tools; stained glass; semi trailers; recorders.

Conga drums; metal plating; buttons.

Grinding wheels; compost; window blinds; milk.

Pentanque ball; biologic medicines; asphalt pavers; basques espadrilles.

Leather basketballs; flood gates; wood panel canvases; shoelaces.

Power steering pumps; Asian bowl meals; walking canes.

Lab extractors; custom-made chandeliers; power trainers; coffee pods.

Prams: factory built homes; wood flutes; bicycle tires.

An insight into the production process for thinning shears, wagon wheels, toaster pastries and violin bows.

Iron bathtubs; hopi kachina dolls; mine truck engine.

An insight into the manufacturing and production process for oil and encaustic paints, marine plywood and cycling shoes.

Nearly a decade after the ancient site of Nimrud was destroyed by terrorists, experts return to salvage the wreckage; archaeologists piece together the remaining ruins to reveal the origins and brutal decline of a lost empire.

The ancient necropolis of Abusir contains strange megastructures unlike any discovered in Egypt; experts gain rare access to investigate lost tombs and forgotten rituals to reveal the secrets of Egypt's Sun Cult pharaohs.

The legendary city of Kish, Iraq, lies at the cradle of human civilization and home to some of the world's first kings; using cutting-edge tech, experts investigate the buried secrets of this lost city to uncover the first origins of royalty.

Hadrian's Villa is the largest Roman palace ever constructed and demonstrates the opulent peak of Rome's ancient engineering; experts investigate secrets that could reveal the truth behind one of Rome's most enigmatic emperors.

Along with Pompeii, the devastating eruption of Mount Vesuvius left another mysterious Roman settlement buried beneath its ashes; experts reveal new evidence of an ancient civilization and history's most infamous disaster.

The Pantheon is a 2,000-year-old temple with a secret; using cutting-edge archaeological methods and brand-new evidence, experts look beneath the streets of Rome to find out why it was built and how it survived so long.

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

A prehistoric mega-structure emerges from the sands of an English shore that could reveal lost mysteries of the Bronze Age; using pioneering technology and 3D imaging analysis, experts uncover dark, ancient rituals once performed here.

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

A prehistoric mega-structure emerges from the sands of an English shore that could reveal lost mysteries of the Bronze Age; using pioneering technology and 3D imaging analysis, experts uncover dark, ancient rituals once performed here.

The Pantheon is a 2,000-year-old temple with a secret; using cutting-edge archaeological methods and brand-new evidence, experts look beneath the streets of Rome to find out why it was built and how it survived so long.

The ancient necropolis of Abusir contains strange megastructures unlike any discovered in Egypt; experts gain rare access to investigate lost tombs and forgotten rituals to reveal the secrets of Egypt's Sun Cult pharaohs.

The legendary city of Kish, Iraq, lies at the cradle of human civilization and home to some of the world's first kings; using cutting-edge tech, experts investigate the buried secrets of this lost city to uncover the first origins of royalty.

The discovery of geysers on a moon; NASA's mission to detect life; an object is spotted approaching an asteroid.

Astronomers notice a planet in Earth's vicinity capable of supporting life; top secret military program exposed; the moon contains the components to start life.

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.

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

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.

Investigating whether the mysterious group known as the Illuminati is an actual secret society operating in the shadows or simply the invention of conspiracy theorists.

Exploring the many different interpretations of the legendary relic, the possibility of its actual existence, and where it might be located.

Investigating the claim that the Nazis created a flying saucer at a secluded research facility, and that the United States and Russia obtained the secret technology after World War II.

Investigating the mysterious figures in Greek society known as oracles, who reputedly spoke the word of the gods.

Enigmatic inventor Nikola Tesla, who was responsible for many electrical and radio advancements, dies in poverty and under FBI suspicion.

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

The Vatican Secret Archives is a treasure trove of history that is shrouded in secrecy; Jamie Theakston heads to Rome in a bid to gain access.

Actor Peter Stormare teams up with a history enthusiast to investigate a mysterious relic that could be evidence of Viking settlement in America centuries before Columbus, but some think it's a hoax.

Actor Peter Stormare and historian Elroy Balgaard investigate the man accused of forging evidence of Vikings in America, testing a crucial piece of evidence with DNA analysis: an ancient skull that may have alien origins.

Peter Stormare and Elroy Balgaard arrange to meet a man with knowledge of the runestone at a secret location where he has something important to show them.

A forensic geologist informs Peter and Elroy of new, advanced testing that could verify the authenticity of the runestone, but a new challenge might put the investigation in jeopardy.

Peter and Elroy have been setting up an archaeological survey at their most promising site, but just as they prepare to dig, the state archeologist shuts down all their plans.

Peter and Elroy gain access to runestone samples for the forensic geologist to conduct testing, and they meet with a team that finds metal artifacts buried at the site where the runestone was discovered.

A forensic geologist informs Peter and Elroy of new, advanced testing that could verify the authenticity of the runestone, but a new challenge might put the investigation in jeopardy.

Peter and Elroy have been setting up an archaeological survey at their most promising site, but just as they prepare to dig, the state archeologist shuts down all their plans.

Peter and Elroy gain access to runestone samples for the forensic geologist to conduct testing, and they meet with a team that finds metal artifacts buried at the site where the runestone was discovered.

Peter Stormare and Elroy Balgaard arrange to meet a man with knowledge of the runestone at a secret location where he has something important to show them.

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

The Vatican Secret Archives is a treasure trove of history that is shrouded in secrecy; Jamie Theakston heads to Rome in a bid to gain access.