The Tennessee Wraith Chasers travel to the heart of Ohio to investigate the most haunted prison in America--Mansfield Reformatory.

Residents of Perry County have reported a Grassman seen in the woods. A group of hunters set out to catch the monster and make Appalachia safe once again.

Don examines a Titanic survivor plagued by disaster, mysterious crop circles in England, and the case that created the first female detective in the NYPD.

Don Wildman investigates a mathematically gifted horse, examines one of the first automobiles and unveils secrets of a mysterious underground corkscrew.

Don investigates the origins of China's terra cotta army, examines what a loving mother is capable of and uncovers the story of a Polish soldier bear.

Don Wildman inspects a fighter jet from the cold war, an 1860s replica steam locomotive and a rare print of the Declaration of Independence.

Josh Gates explores the ocean floor of the Cayman Islands and the coasts of North Carolina to find the lost treasure of the legendary pirate, Blackbeard.

Josh joins the hunt for a $2-million treasure. He tries to decode the clues to its location by following a cryptic poem, leading him into the Rocky Mountains.

Travel experts find out what lies beneath the streets of San Francisco, and enter a chamber underneath Houston, Texas, that looks like a Roman ruin.

Travel experts hunt for a national treasure beneath the busiest train station on Earth and endure the quietest place in the world.

A deadly caiman targets Mehgan, but a potentially crippling accident leads to a shocking find - a coded message from the past that may bring them closer to gold.

After a huge cargo ship suddenly vanishes with 27 crew members on board, new evidence suggests the culprit may be a mythical rogue wave.

New technology reveals lost cities in hostile jungle - could this lead to a discovery of the mythical El Dorado? And, a crystal is found on a shipwreck.

The experts travel around the wilds of North America in search of the elusive Bigfoot. Using ground-breaking technology, will they find any signs of Sasquatch?

The research team head into the wilds of Minnesota to investigate howls heard at a Bigfoot hotspot. Can they catch a glimpse of the tallest Bigfoot ever seen?

As the battle for McCarthy wages on, a team of experts work to locate the only known entrance into the Mother Lode mine. But will they find it?

Actor Bruce Campbell showcases six naturally gifted people. They have all dazzled audiences with the moves they make and the breaths they take!

From the rallies held at Madison Square Garden, to the plots to steal the secrets to the nation's weapons of war, the American Nazis terrorised the USA in the 1930s.

Don examines an accident that nearly caused a nuclear catastrophe, how Teddy Roosevelt laid down the law with bandits and a Hollywood murder mystery.

Pilot Fred Valentich saw possible UFO life forms and subsequently disappeared - what happened? Plus what are the weird blue creatures terrorizing Texas?

A house in Hinsdale, New York draws Nick and Katrina to investigate its demonic past, and Nick is caught in a psychological war against good and evil.

Nick and Katrina investigate a Victorian mansion's haunted secrets. Over the course of their investigation, they capture unnerving voices pleading for help.

One of the most passionate paranormal teams in America, the Tennessee Wraith Chasers, are in Missouri to investigate a haunted and abandoned asylum.

The team travels to Oklahoma City to investigate an evil asylum known as St. Vincent's Mental Home. A history of horror has created a dark energy.

Don Wildman examines a bizarre gift, a cheese crisis and a spy who went shopping for secrets.

Why did the FBI raid a famous inventor's New York hotel room? And, how was an outlaw double-crossed by members of his own gang?