Jack and Katrina head to Buffalo, New York, to investigate a former church rumoured to house two portals. The owners believe evil spirits are at work.

Steve ventures to Malvern, Iowa, where a little girl's ghost haunts a small farming village. His search for answers leads him and his crew to their most evil haunting yet.

The TWC visit one of the oldest prisons in the Midwest, seeking to banish the spirits of two sinister child killers infesting its ghostly cellblocks.

The team investigate a gigantic reptile called the Fire Dragon. They meet with eyewitnesses before pursuing the creature on land and boat.

The team open Hans Holzer's hidden case file on the Surratt Tavern, where John Wilkes Booth hid after fatally shooting Abraham Lincoln in 1865.

Don Wildman examines a newspaper article that saved a famous politician from financial ruin. And, the story of a lifesaving horse cart from the Civil War.

Don Wildman examines a F8 Crusader jet that was at the centre of a death-defying flight. Plus, the story of a baseball player turned spy.

Josh Gates explores legendary places of protection, from Pablo Escobar's secret Colombian hideaway to a floating kingdom on Peru's Lake Titicaca.

Josh visits three sites where the journey is the destination in Bolivia, French Guiana and Turkey.

Josh investigates the mystery of the crystal skulls in Belize, Spain and Scotland.

Josh explores three iconic monuments in New York, Istanbul and Honolulu.

The truth behind America's secret bunkers - from backyard boxes to government mini-cities. Underground bunkers have featured in war planning since the dawn of time.

We'll explore a conspiracy that helped three inmates escape the dungeon of Alcatraz, and discover the remnants of a mysterious military outpost linked to Abraham Lincoln.

Josh searches for a precious statuette that has been lost for 25 years, the Golden Owl. A book of riddles gives cryptic clues to where it might be hidden.

Josh tackles the maritime mystery of the Griffon, the first ship to be lost in the Great Lakes. Josh uses a state-of-the-art submersible in the search.

A mummy recovered at the bottom of the Atlantic has led treasure hunters to $120 million in gold and jewels stolen by infamous pirate Black Sam.

Archaeologist Ramy Romany investigates a mysterious underwater grave in the ancient Mayan city of Mayapán. Were these people victims of human sacrifice?

Falling boulders threaten the crew and the dig site but their solution could cause a huge landslide. Underground, Shawn and Jeremy find their first piece of Jesuit gold.

The team finds evidence of a route used to transport the fortune. Plus, a Jesuit artefact may provide the most critical information on treasure's location.

Don Wildman investigates a centuries-long curse connected to the Salem witch trials, a strange helicopter hijacking in Washington, DC, and more.

Don Wildman investigates a haunted home with a chatty poltergeist, the discovery of a sleeping dragon and Superman's rescue of a real family.

In the former Third Reich, Josh is trying to crack a code allegedly embedded by Hitler's secretary into sheet music. Could it lead to Nazi gold?

Dakota sets up the most chilling overnight yet, inside a shuttered Wisconsin asylum. They become the first team to ever sleep inside its abandoned halls.

Dakota leads the team to investigate a dungeon deep in the bowels of the old Cambria County Jail. Can they cope with the terrifying isolation and disorientation?

Josh is in the Holy Land to dig in with an archaeologist who has unearthed new Dead Sea Scrolls. He gets rare access to examine scroll fragments.

The story of the Amityville horror house rocked the world. Real footage and never-before-seen interviews reveal frightening new secrets about this haunt.