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.

A decommissioned warship is rumoured to be haunted by the agonised victims of a grisly tragedy. Plus, long-dead prisoners are said to prowl an old jail.

When the staff at a saloon in a remote Alaskan town open up the former brothel upstairs for tours, they have no idea what the visitors are in store for.

Jess and her partner move into a remote log cabin in the woods. When strange things start to happen, they realise they have awakened a vengeful spirit.

The team are in Indiana to revisit an ominous and abandoned infirmary. Tanner is still haunted by an encounter here five years ago.

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?

Josh Gates er i Hellas for å undersøke nøyaktig hva som gjorde at den minoiske sivilisasjonen gikk under i oldtiden.

Amy and Adam investigate an Iowa house where a family was brutally murdered by an unknown assailant in 1912. They fear the killer's spirit haunts the home.

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

Paul looks for answers in a 60-year-old string of unsolved cattle mutilations across the US. He heads to a remote Nebraska farm to uncover the truth.

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

Discovers which of America's founding fathers used sex as an instrument of diplomacy and which one secretly scoffed at the divinity of Jesus.

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?

Josh Gates og et team med arkeologer etterforsker USAs første forsvinningssak: Roanoke-kolonien.

Amy and Adam are the first paranormal detectives to enter the home where Lizzie Borden died. They hope to speak with the spirit of the alleged murderer.

A missing mummy could re-write the history of Abraham Lincoln's assassination. Ramy Romany investigates whether John Wilkes Booth actually escaped.

Paul searches for evidence that extra-terrestrials are among us. He unearths long-buried files that could lead to an alien cover-up all the way to the White House.

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

At the height of the Cold War, the USA searches for a way to create a generation of "Supersoldiers" who use telepathy to win battles.

Neil breaks through to the Mother Lode mine but locals are too busy defending against waking bears to stop him and Jenny goes on a solo bear-hunt of her own.

The Ghost Adventurers visit a cotton plantation in Natchitoches where many slaves laboured and died. Did they use voodoo to seek revenge on their owners?

The team heads to San Diego to visit the Whaley House, deemed by Hans Holzer as the most haunted home in America. The investigation reveals a dark presence.

Steve and Amy explore the link between paranormal activity in Texas and a cold-blooded murder. Amy detects a sociopathic dead man who agitates the living.

Chelsea gets revenge on the team by taking them to Chicago's historic Joliet Prison. One team member experiences their most sickening night ever.

Amy, Adam and Chip investigate reports of an aggressive spirt that's haunting a US Navy destroyer. Can they find answers on this huge and mysterious ship?