Jack and Katrina sit down to discuss their investigation of the infamous LaLaurie Mansion.

Jack and Katrina recap their investigation of a bed and breakfast in Duchesne, Utah. They reveal how they believe renovations on the property led to the increase of paranormal activity.

Experts explore a new theory surrounding Scotland's Loch Ness Monster.

Hear a terrifying eyewitness account of a Bigfoot sighting in California.

The crew investigates one of the most haunted places in the country.

The crew investigates the ghostly goings-on in a Massachusetts mansion.

The crew investigates the dark hauntings inside a former funeral parlor.

The crew investigates a now-defunct iron factory in Birmingham, AL.

Zak leads his team to one of the creepiest spots in northern New Jersey.

The crew visits the Edinburgh Vaults, home to playful ghost children.

The crew confronts the evil left behind in an abandoned Idaho prison.

Zak's possessed by a murderer at a former reformatory in Ione, CA.

The crew investigates a 300-year-old Spanish fort in St. Augustine, FL.

Indians found religion, disease and death at this now haunted mission.

The crew travels to Natchitoches, LA, to investigate Magnolia Plantation.

The crew confronts the spirits of the Old West in Tombstone, AZ.