Unsolved Mysteries

Residents of Berkshire County, Massachusetts, recall their baffling, terrifying experiences with a UFO on the night of September 1, 1969.

Lena Chapin claims on tape that her mother killed her stepfather. Several years later, she's issued a subpoena to testify in court — then disappears.

Police find the body of former White House aide Jack Wheeler in a landfill. Security footage captures strange events in the days leading up to his death.

After checking in at a luxury hotel with no ID or credit card, a woman dies from a gunshot. Years later, her identity — and her death — remain a mystery.

Given a furlough to go Christmas shopping in 1973, a convicted killer escapes. Police have come close to apprehending him but believe he's still at large.

A massive earthquake and tsunami devastated Japan in March 2011. Residents share stories of the spirits they encountered in the wake of the disaster.

In May and August 1989, two toddlers vanished from the same New York City park. A search turned up nothing — but their families haven't given up hope.