American Mystery

Shocking new theories may shed light on the fate of Amelia Earhart, D.B. Cooper and three prisoners who made a daring escape from Alcatraz.

New theories about the Mantell UFO incident are revealed; scientific evidence may explain a UFO encounter in Texas; experts investigate what really crashed into a Canadian harbor.

Experts investigate disturbing phenomena at Skinwalker Ranch, top-secret experiments may have been conducted at a former Air Force base in Long Island, N.Y.

Experts investigate the mystery of the Bermuda Triangle, researchers seek answers about strange sightings in Massachusetts.

Experts investigate the abduction of Betty and Barney Hill; new evidence surfaces about abductee Travis Walton; there may be an earthly explanation for the Mothman.

Experts investigate the abduction of Betty and Barney Hill, recent new evidence could explain where Travis Walton was for five days.

Newly declassified documents may link the Roswell crash to Nazi science; fresh evidence may reveal what's really hidden inside Area 51; experts investigate the dark secrets of the Dugway Proving Ground.

Experts may have finally identified the strange creatures that besieged a Kentucky farmhouse, new evidence could explain the largest mass UFO sighting in US history.

Treasure Hunters and the FBI dig up 9 tons of Civil War Gold and now the Treasure Hunters go to court to get their Finders Fee.

Intriguing new theories about Jimmy Hoffa's disappearance are revealed, a stunning film clip may reveal what really happened to Michael Rockefeller.