Robert Berdella earned the nickname the "Kansas City Butcher" because of the chilling way he tortured, murdered, and dismembered the six men he killed between 1984 and 1987.

On June 11, 1962, inmates Frank Morris, Clarence Anglin, and John Anglin became the only men to ever escape from Alcatraz Federal Penitentiary — but nobody knows if they made it out of San Francisco Bay alive.

The leader of the notorious Kelly Gang, Ned Kelly was an Australian outlaw who became a folk hero after wearing makeshift iron armor and getting in a fatal shootout with police in June 1880.

Budding ethnographer Michael Rockefeller vanished during his 1961 trip to New Guinea — then evidence emerged that he was killed and eaten by local tribespeople.

Take a trip into the past with these incredible historical movies, from wartime epics to period romances to biopics.

Over the centuries, numerous vessels have been found floating on the high seas without a crew — here are some of the most disturbing cases.

From George Washington's dentures to James Garfield's agonizing death, learn some captivating presidential facts that even some history buffs don't know.

In late 1950s Los Angeles, serial killer Harvey Glatman raped and murdered three aspiring models — but not before taking some disturbing photos of them first.

Anneliese Michel was subjected to 67 Catholic exorcism rites that ultimately left her dead at age 23 on July 1, 1976.

The 111 mummies of Guanajuato, Mexico are terrifying to behold — and have a tragic backstory that makes their anguished expressions even more haunting.

Known as the "Sea Waif," 11-year old Terry Jo Duperrault spent more than three days adrift at sea until she was found.