There's always an explanation when an aircraft goes missing. However, when Malaysia Airlines Flight MH370 vanishes, there are no answers. The loss of this aircraft becomes one of the greatest aviation mysteries in history.

The disappearance of Atlantis is one of the most famous mysteries in history, and state-of-the-art technology could crack this ancient enigma. Also, after nine hikers die in a gruesome cold case, new science provides a hot lead.

After a cargo ship suddenly vanishes with 27 crew members aboard, new evidence suggests the culprit may be a mythical, rogue wave. Also, recently discovered evidence may prove the existence of a ghost ship in a California desert.

Against all odds, three men escape from the most secure prison in America, Alcatraz, never to been seen again. New scientific technology could conclusively prove what happened to these missing fugitives.

New evidence suggests that the mythical city of El Dorado and its missing treasure may be within reach. Also, a new discovery may finally reveal how the Vikings navigated across the Atlantic.

The Roanoke Colony vanished without a trace, and a new scientific exploration may finally reveal an answer that could be buried somewhere unexpected. Also, experts are baffled when a man vanishes from his own bedroom.

The enigma of the Bermuda Triangle persists, but new scientific evidence suggests a strange, geological force may be responsible. Also, new technology reveals the secrets of lost tribes in the Amazon jungle.

Air France Flight 447 vanishes on a routine flight over the Atlantic with no apparent cause, and investigators are shocked when they piece together what happened. Also, new research may reveal the truth behind the Tunguska event.