Nick Groff and Katrina Weidman spend 72 hours confined to the most haunted locations in the United Kingdom in search of groundbreaking evidence of the paranormal.

Don Wildman uncovers the secret behind perfectly preserved mummies in Mexico. Plus, he investigates the world's most-famous UFO conspiracy.

On the outskirts of Anaconda, Mont., sits Gunslinger Gulch -- a sprawling ghost town and guest ranch made up of various historic abandoned buildings salvaged from across the state

The Holzer Files is an American paranormal television series following a team of ghost hunters as they investigate cases documented by the late Hans Holser.

Paranormal investigators Amy Bruni and Adam Berry enter America's darkest locations, digging deep into the past and demanding answers to haunted mysteries.