Prospect Place was once a stop on the Underground Railroad. This historic mansion lures the Ghost Brothers to find out if evil entities still reside on the property.

Josh journeys from Russia to Germany in search of history's most expensive stolen object, the Amber Chamber. He retraces the steps of Nazi soldiers.

Don Wildman investigates an ingenious trick that helped win a war, a terrifying trek through Antarctica and a miraculous invention that the world loved.

The team examine a video of a possible Bigfoot captured by a mother filming her kids at play. But can the team prove her claims and confirm the sighting?

Don Wildman investigates an ingenious trick that helped win a war, a terrifying trek through Antarctica and a miraculous invention that the world loved.

Something in space is attacking the brains of our astronauts. What is it? Should NASA be worried about the sudden appearance of so-called space fireflies?

The team examine a video of a possible Bigfoot captured by a mother filming her kids at play. But can the team prove her claims and confirm the sighting?

Josh Gates travels to ancient shrines hidden across Japan in search of the mystical Honjo Masamune sword. Along the way, Josh learns the ways of the samurai.

Don Wildman investigates a goat that served in World War One, a feud between two prominent New York families and a murderous scheme against Native Americans.

Something in space is attacking the brains of our astronauts. What is it? Should NASA be worried about the sudden appearance of so-called space fireflies?

The team examine a video of a possible Bigfoot captured by a mother filming her kids at play. But can the team prove her claims and confirm the sighting?

Investigating giant geoglyphs drawn into the earth by ancient Nazca tribes, Josh Gates flies to Peru to study newly-found lines and joins a psychedelic ritual.

When Mykel and Ruth become lost during the flood season in the Amazon jungle in a primitive canoe, they must survive on grubs, piranhas and rainwater as they find their way out.

An astronaut on a spacewalk begins to drown. How could this alarming event happen? Plus, have NASA discovered an asteroid that's been converted into a spacecraft?

The team head to the Great Smoky Mountains after a reported Sasquatch sighting. Once there they enlist a professional hog caller to try and lure one out.

Josh Gates traverses England, Wales and Scotland, wading through history and legend to search for evidence of a real King Arthur.

Don Wildman investigates the strategy of a medieval general, a bizarre creature from the deep and searches for the fate of a lost expedition.

The Voynich Manuscript is written in an unreadable language - what secrets does it hold? Plus, Sri Lanka is plagued by scarlet rain.

From a former asylum where victims were experimented on to a remote outpost where a scorned woman killed her husband, historians and witness recount tales of horror.

Why was Las Vegas a Nazi target for wartime sabotage, a test ground for Atomic Bombs, and a meeting place for 9/11's terrorists?

The town meeting erupts over Neil's power grid, and Jeremy must decide if McCarthy is worth fighting for. This battle has been brewing for years. A showdown is coming.

As injuries pile up, the team push deeper into the Island in search of the Treasure of the Trinity, but a trail of clues leads to confrontation.

The team heads to the Hayswood Infirmary in Maysville, KY. This asylum was a horrific home for veterans suffering from shell shock.

Nick and Katrina unlock the dark secrets of HMP Shrewsbury Prison in England, exploring 200 years of executions, anger and tragedy - and discovering new threats.

A terrified mother calls on Steve and Amy to investigate vicious paranormal activity in Ohio. Amy encounters mutilated entities and detects a dangerous dead person.