Who moved the giant stone heads of Easter Island?. Carved over 500 years ago without machines, the Moai statues of Rapa Nui ...

A multitude of mysteries remain unsolved about the ancient Greek world, providing more questions than answers.

Ancient civilizations accomplished feats of engineering that continue to challenge modern understanding. Despite advances ...

One of history's biggest questions is: "How does an entire civilization disappear?" One can comprehend how an object or even a city is lost, buried, or destroyed, but an entire group or nation of ...

The ruins of a prehistoric skyscraper: New research is revealing how Cornish tin appears to have boosted a long-lost Bronze Age Mediterranean civilization. This aerial photo shows that civilization's ...

THE OLDEST LIVING CITY IN THE AMERICAS. THIS IS CUSCO, PERU, THE CAPITAL OF THE INCAN EMPIRE. IT’S ALIVE AND IT’S UP THERE AT 11,000FT. THE ELEVATION IS MORE THAN TWICE AS HIGH AS DENVER. BUT ...