The team investigates a limbless phantom only to find something more sinister in an old plantation house in the suburban area of Patterson, Louisiana.

The team are called by the police once again and head out to Louisiana's Atchafalaya basin where a local had reportedly seen two men vanish into thin air.

Josh travels to Italy in search of what may be history's richest treasure - the looted relics of the Roman Empire interred with the Visigoth king Alaric.

Don Wildman examines an unlikely alliance between the military and a mob boss, a death-defying voyage on the high seas and a high-flying heroine.

Extreme weather threatens the locals who must brave the frozen wilderness to hunt big game. Plus, a landowner begins to open the frontier to the outside world.

Mark Bowe and the guys travel to Jane Lew, West Virginia, to salvage the wood from a 120-year-old cattle barn that is slated for demolition.

Mark Bowe and the guys travel to the heart of West Virginia to salvage incredibly rare 170-year-old logs from a perfectly preserved log home.

Don Wildman examines a ceramic jar used to hold a creepy medical cure. And, the story behind a helium balloon used in the first Atlantic crossing by balloon.

Could NASA really be responsible for a nuclear explosion on Jupiter? Could new evidence finally reveal the truth behind the mystery of the iconic face on Mars?

Don Wildman examines a dinosaur skeleton, the golden cover of a record that contained the sounds of Earth and a medicine ball used by a president.

Mark Bowe and the guys work in downtown Lewisburg, West Virginia, to raise a massive timber frame as the new shelter for the Lewisburg farmers market.

Mark Bowe and the guys head to Johnny Jett's hometown in Kentucky to build a log chapel.

The hidden city inside the mountain is within reach, but exploration means convincing locals for help. It's 40 below and the trailblazing ranchers are in danger.

Don Wildman uncovers how a pigeon saved hundreds of lives during World War Two. Plus, a clever conman who took advantage of a government gaffe.

Don Wildman explores how a dentist tool was key to solving a mystery involving Thomas Jefferson and the story of a young girl who stood up to the Nazis.

The team heads to the great plains of Kansas to examine a series of photos which contain some unusually large tracks possibly left by a Bigfoot.

A Russian probe discovers something has disturbed the lunar soil before the US or the USSR got there. But did the Nazis get there first?

To help clone the extinct woolly mammoth back to life, Josh visits a biotech lab driving the project and excavates ancient bones in a Canadian mine.

In their biggest investigation yet, Nick and Katrina spend 72 hours exploring the Statler City Hotel in Buffalo, NY - and uncover its sordid underground history.

Steve Shippy heads to Merrill, Michigan, to investigate reports of an evil entity. With the help of a local historian, he uncovers the town's traumatic past.

After skeletal remains are found downtown and the team are forced to turn to the community for help in putting the town's spirits to rest once and for all.

A 19th-century prison hides a chilling secret within its walls. A sealed door haunts a British museum and residents from the past roam a historic village.

Don Wildman uncovers a culinary mystery about a popular salad dressing. Plus, the story of a hero horse who put her life on the line to save others.

Josh Gates joins leading archaeologists as they investigate America's first missing-persons case, The Lost Colony of Roanoke.