One of the most passionate paranormal teams in America, the Tennessee Wraith Chasers, are in Missouri to investigate a haunted and abandoned asylum.

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.

Near-death survivors John Tenney and Chad Lindberg spend 48 hours isolated in some of the most haunted locations in the world to see if they reach the other side through paranormal portals.

They may be known as the first family of darkness, but legendary rocker Ozzy Osbourne and his wife, Sharon Osbourne, are borderline skeptics when it comes to the paranormal. Determined to convert his parents into full-fledged believers, Jack Osbourne shares the craziest, most jaw-dropping supernatural activity ever caught on camera.

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

One of the most passionate paranormal teams in America, the Tennessee Wraith Chasers, are in Missouri to investigate a haunted and abandoned asylum.

Could there be life beyond our planet? Extraordinary NASA footage and ground-breaking interviews with astronauts and scientists investigate potential sightings of UFOs.