Amy and Adam recap their Villisca Axe Murder House investigation.

Amy and Adam discuss their investigation of the Maplecroft Mansion.

Poltergeist activity is caught on a school's security camera and more.

Jack and Katrina talk about portals and how they deal with attachments.

The team investigates the dark mysteries of majestic opera house in Ohio.

Jack and Katrina check in for a full investigation of a haunted bed and breakfast neighboring the mysterious Skinwalker Ranch in northeast Utah.

Jack and Katrina further detail their investigation of the Alaskan Hotel.

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.