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.