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.

Newly declassified documents could link the Roswell crash to Nazi science, fresh evidence may reveal what's really hidden inside Area 51.

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.

Shocking new theories about the Mantell incident are revealed, scientific evidence may explain a UFO encounter in Texas.

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

A shocking new theory could explain what really happened to Charles Lindbergh's son, experts may have finally solved one of Hollywood's biggest murder mysteries.

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.