Experts and eyewitnesses try to unlock the mystery of the Alaska Triangle, a remote area infamous for alien abductions, Bigfoot sightings and paranormal phenomena.

Two million hotel rooms are occupied every night in America, so it's no wonder that some of the most captivating tales from America's history have occurred in hotels.

Two million hotel rooms are occupied every night in America, so it's no wonder that some of the most captivating tales from America's history have occurred in hotels.

On The Dead Files, physical medium Amy Allan and retired NYPD homicide detective Steve DiSchiavi combine their unique and often conflicting skills to solve unexplained paranormal phenomena in haunted locations across America.

Zak Bagans and Eli Roth join forces to present a terrifying horror film anthology inspired by haunted artifacts found in Zak's personal collection.

The great outdoors aren't always so great. In fact, the woods are filled with mysteries that sometimes cannot be explained. These are the true accounts of people who ventured deep into the forest only to come screaming out with stories that defy reality.

Paranormal investigators Jack Osbourne and Katrina Weidman travel the world to explore the sinister locations associated with being gateways to the underworld.

Paranormal investigators Jack Osbourne and Katrina Weidman travel the world to explore the sinister locations associated with being gateways to the underworld.

On The Dead Files, physical medium Amy Allan and retired NYPD homicide detective Steve DiSchiavi combine their unique and often conflicting skills to solve unexplained paranormal phenomena in haunted locations across America.

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