Science Channel HD

Experts investigate the fate of billions of dollars in gold and artwork that Adolf Hitler stole during World War II; using brand-new discoveries, the location of the missing Nazi treasure could be located.

Satellite images capture a bizarre, cone-like structure perched on the summit of a mountain range in Turkey; experts uncover one of the most extraordinary engineering projects of the ancient world linked to the legacy of a living deity.

The MythBusters test the clichés in the second round of Battle of the Sexes.

The Mythbusters go to the Indianapolis Motor Speedway to test racing myths.

The 10th anniversary starts off with the busting of JATO rocket car.

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.

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.

A decommissioned missile launch facility in Kansas remained one of the best kept subterranean military secrets of the Cold War; experts reveal how this abandoned underground complex transformed into a state-of-the-art survival bunker.

Subterranean military fortresses situated on the southern coast of Ireland have protected against enemy invasion for over 400 years, and now, experts investigate how this powerful stronghold transformed into a brutal and terrifying prison.

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.

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.

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.

Clayton Phipps and his son Luke put it all on the line for a risky raptor fossil buried under 30 feet of earth. And the Harrises decide to go for broke to prep their multi-million dollar T. rex skull.

Clayton and Luke begin to excavate the deep overburden that covers the Tyrannosaurus rex site; while Mike Harris travels to Utah to prep the Cowboy rex skull, Aaron, Jake and Tori think they're on a bucket-list discovery at the Duckbill site.

When a wildfire surrounds his hometown, Clayton Phipps drops everything to help fight the flames; the Harris-Bolan crew excavates a new Triceratops' site; and the Abercrombie family discovers a mammoth fossil map on its ranch in New Mexico.

Hoping to salvage his season, Clayton Phipps hunts for valuable triceratops horns, while Mike Harris and his team believe they might be on to a world-record find; fossil hunter Andre Lujan follows a 90-year-old map to a massive mammoth site.

Clayton Phipps makes a shocking discovery at the Trike site; the Harris-Bolan crew unearths what it believes might be an extremely rare ceratopsian; on the Abercrombie ranch, Andre Lujan digs up an enormous ice age mammoth tusk.

With winter looming, Clayton and Luke race to excavate two massive trike skulls, while the Harris-Bolan crew searches for a crucial missing femur for their rare ceratopsian; on the Abercrombie Ranch, Andre discovers a mother-lode of Ice Age bones.

Clayton gets news about the Nano sale and as a winter storm barrels in, he races to extract a rare trike tail; the Harris-Boland have finally found evidence of Ceratopsian skull; and on the Abercrombie ranch, Andre struggles to excavate a big tusk.

When a valuable fossil is trapped in a precarious location, Clayton brings in a team of horses and a helicopter to help extract it; Mike comes face to face with Cowboy Rex; Andre makes a difficult decision to save the Abercrombie mammoth.

With winter looming, Clayton and Luke race to excavate two massive trike skulls, while the Harris-Bolan crew searches for a crucial missing femur for their rare ceratopsian; on the Abercrombie Ranch, Andre discovers a mother-lode of Ice Age bones.