Jack and Katrina dig into their investigation of a haunted Ohio theater.

Jack and Catrina reveal horrific details that didn't make the final cut of their investigation into Bobby Mackey's Music World in Wilder, KY.

Katrina and Jack provide graphic details about their investigation of Eastern State Penitentiary in Philadelphia.

Jack and Katrina detail their investigation of a haunted house in PA.

Jack and Katrina recount their experience at Trans-Allegheny Asylum. They discuss details surrounding the horrific deaths of two patients who are now suspected of haunting the abandoned mental hospital.

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.