NASA's Unexplained Files
A distant planet shows an Earth-like atmosphere; a glowing light suggests an atmosphere on the Moon.
A distant planet shows an Earth-like atmosphere; a glowing light suggests an atmosphere on the Moon.
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Strange happenings in the Himalayas could be evidence of a program to turn monks into killer agents.
Revealing how the Mayans vanished; traces of ritualistic drug binges; sex cult of millionaires.
A ghost ship appears on a remote island that holds one of the world's last uncontacted tribes.
Treasure hunters search for a lost Incan city of untold wealth; investigation Cleopatra's gems.
Crypt rumored to hold the Ark of the Covenant; a mysterious ocean monster; tribute to a spider god.
A Stonehenge-like structure may have links to the Nazis; a lake appears in the Sahara overnight.
Purportedly, a glowing lake turns things into stone; an African structure resembles Stonehenge.
An abandoned city may be haunted by the spirits of cannibals; Adolf Hitler's secret UFO program.
Man-made islands appear near a missile facility; experts investigate a lost city of giants.
An ancient man-made volcano might reveal buried treasure; a strange pattern in the Arctic ice.
The billion-dollar Nazi gold train; discovery rewrites the history of the Vikings in North America.
Evidence of human sacrifice for the Viking god Odin; shedding new light on Genghis Khan.
An abandoned megacity might be home of ancient treasure; investigating Round Table of King Arthur.
A lost city near Jerusalem might have been the home of Goliath; bizarre underwater formations.
A lake in Transylvania is home of a terrifying secret; a labyrinth is discovered on a Greek island.
A forbidden island that was the home of Adolf Hitler; sunken continent in the Indian Ocean.
Home of an undiscovered Hobbit-like humanoid species; government experiments into psycho warfare.
Ghost town emerges from a lake in Argentina; scientists explore a lost jungle; giant Soviet weapon.
A ghost ship with links to the mob; plot to overthrow Queen of England; lake with healing powers.
A strange structure shaped like a giant shark; something unexpected in eye of hurricane.
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