What on Earth?
A Stonehenge-like structure may have links to the Nazis; a lake appears in the Sahara overnight.
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.
Strange mounds in Transylvania might lead to the tomb of the inspiration for Dracula.
The myth of Merlin is associated with an arrangement of stones in northern France.
A young boy makes international headlines when he uses satellites to discover cities of the Maya.
Images from the jungles of Colombia could lead researchers to the legendary city of El Dorado.
New evidence could reveal the remains of an ancient Roman city thought to be lost forever.