History Television HD (Canada)

From the seemingly innocuous children's toy engineered to save an informant, to hirsute-inspired movie disguises, the government's most clandestine inventions are never what one would suspect, and that's exactly why no one never saw them coming.

Discovering a deadly poison lab operated by the Soviet Union's infamous "Doctor Death," a vast nuclear missile site buried beneath the Greenland ice sheet, and the U.S. government's doomsday bunker concealed inside a hollowed-out mountain.

Undercover smokescreens driven by daring agents in service of executing a greater purpose.

Teetering between the apocalyptic and absurd, declassified records will unveil the top secret weapons programs that attempted to bring down the world, uncovering the Soviet atomic test that shook the Earth with a force 1,500 times more powerful than the Hiroshima bomb, the CIA's creation of a gun that fired a shellfish-harvested toxin, and the Allies' bizarre secret plan to end World War II by fem

Mike uncovers a Godzilla-size stockpile of vintage movie posters, and Robbie pays up for a pair of ultra-rare Chevy signs for the shop in Tennessee.

Andre receives a game-changing request; Joel and Bryan Sr. build their first log boathouse.

Beat creates a western-style guesthouse; Andre and Joel build an archway to rope in tourists.

Dale has to confront his past in a desperate attempt to keep his failing business alive; Dave has a meltdown stranded on a back road with a heavy load; Craig gets greasy on a biodiesel run with his girlfriend's truck.

Dave and Tristan fight an antique wood boiler and each other leading to a showdown between father and son; Craig gets muddy on a radio antenna delivery job that leaves its mark; Dale goes on a family trip to help cut a deal for his dad.

A woman and her son encounter the legendary Jersey Devil; a giant reptile terrorizes a South Carolina town; a creature resembling a werewolf is spotted in Wisconsin.

From strange afflictions to infections that ravage populations, it's frightening to think that one of us can contract dangerous and often deadly diseases.

From a bat swung by one of baseball's boldest pioneers, to an iconic painting hidden behind a false wall, and even a relic tied to our nation's first president, these astonishing finds prove that America's greatest treasures can turn up in the most unlikely places.

Toe wrestling; a competition between ugly pets; the origins of some schoolyard faceoffs; exploring the world of strange games.

After humanity ceases to exist, the homes we built from suburban mansions and Miami condos to rural farmhouses face a relentless siege by fire, flood, wildlife and time.

From soaring skyscrapers like One World Trade Center to impenetrable vaults like Fort Knox, humanity's strongest structures were engineered to defy disaster; but in a world without people, even the mightiest begin to crack.

Hidden dangers once held at bay by humans erupt with force, from everyday objects ready to explode to chemical plants and locust plagues; as nature and human legacy collide, these ticking time bombs threaten to send the world up in smoke.

Percy Fawcett becomes obsessed with a lost city deep in the Amazon jungle, a place he names the City of Z; Fawcett vanishes trying to locate it despite numerous missions to find him.

From strange afflictions to infections that ravage populations, it's frightening to think that one of us can contract dangerous and often deadly diseases.

Exploring the stories of the planet's fantastic beings.

Toe wrestling; a competition between ugly pets; the origins of some schoolyard faceoffs; exploring the world of strange games.

From a bat swung by one of baseball's boldest pioneers, to an iconic painting hidden behind a false wall, and even a relic tied to our nation's first president, these astonishing finds prove that America's greatest treasures can turn up in the most unlikely places.

After verifying a recent find on Lot 5 to be a sacred, religious artifact, the team drills through a surprising discovery deep in the Money Pit area.

Exploring the stories of the planet's fantastic beings.

Percy Fawcett becomes obsessed with a lost city deep in the Amazon jungle, a place he names the City of Z; Fawcett vanishes trying to locate it despite numerous missions to find him.

After verifying a recent find on Lot 5 to be a sacred, religious artifact, the team drills through a surprising discovery deep in the Money Pit area.

From a bat swung by one of baseball's boldest pioneers, to an iconic painting hidden behind a false wall, and even a relic tied to our nation's first president, these astonishing finds prove that America's greatest treasures can turn up in the most unlikely places.

Toe wrestling; a competition between ugly pets; the origins of some schoolyard faceoffs; exploring the world of strange games.

From strange afflictions to infections that ravage populations, it's frightening to think that one of us can contract dangerous and often deadly diseases.

Percy Fawcett becomes obsessed with a lost city deep in the Amazon jungle, a place he names the City of Z; Fawcett vanishes trying to locate it despite numerous missions to find him.

As Matt and his team chase the elusive one that got away, they risk getting in over their heads, literally, as an extraction nearly sinks their whole trip.

Mike restores a 1968 Beaumont for a charity auction, but scrambles to save the build and the fundraiser when his budget is pulled out from under him; Avery steals a Rust Bros client with a German-made Unimog, putting his friendship with Mike at risk.

The salvage team from Priestly Demolition takes their first road trip of the year to a historic mining town where the discovery of old police reports sets them on an unexpected hunt for hidden gold.

As Matt and his team chase the elusive one that got away, they risk getting in over their heads, literally, as an extraction nearly sinks their whole trip.

Mike restores a 1968 Beaumont for a charity auction, but scrambles to save the build and the fundraiser when his budget is pulled out from under him; Avery steals a Rust Bros client with a German-made Unimog, putting his friendship with Mike at risk.

Real estate entrepreneurs are questioned; a traveler's investments in the U.S. raises alarms; suspicious Mexican souvenirs.

A traveler is caught driving without a license; a U.S. resident returns from the Dominican Republic.

After the mail comes, Trapper makes plans to desert, and Frank rearranges his stock portfolio.

The 4077th complicates the endeavors of two secret agents investigating each other.

For decades experts believe they know what caused the Hindenburg disaster: that leaking hydrogen--causing the airship to burst into flames; but there may be more to this story.

Across time and cultures civilizations have preserved remarkably similar accounts of sky beings who bestowed the foundational elements of civilization, language, mathematics, architecture, medicine, and astronomy.

Counting down the top 10 locations around the world that may be hiding alien bases, including a cavern beneath the ice of Antarctica, a lake in China that is a hotspot for UFOs, and a pyramid under the slopes of Mount Denali.

After the mail comes, Trapper makes plans to desert, and Frank rearranges his stock portfolio.

The 4077th complicates the endeavors of two secret agents investigating each other.

For decades experts believe they know what caused the Hindenburg disaster: that leaking hydrogen--causing the airship to burst into flames; but there may be more to this story.

Throughout the ancient world, there are depictions of mysterious figures that appear to be half human and half bird. In many cultures, they are revered as divine and have magical abilities. But could these so-called Birdmen have truly existed? And if so, just what were they?

After verifying a recent find on Lot 5 to be a sacred, religious artifact, the team drills through a surprising discovery deep in the Money Pit area.

Ancient accounts of monstrous creatures appear in cultures across the globe, today, sightings of Bigfoot, the Loch Ness Monster, and Reptilian beings continue, with their bizarre forms and behaviors eerily echoing ancient descriptions.

For decades experts believe they know what caused the Hindenburg disaster: that leaking hydrogen--causing the airship to burst into flames; but there may be more to this story.

Ancient accounts of monstrous creatures appear in cultures across the globe, today, sightings of Bigfoot, the Loch Ness Monster, and Reptilian beings continue, with their bizarre forms and behaviors eerily echoing ancient descriptions.