The ancient Greeks, who called her Tyche ... Ufologists also believe the little white blob seen above Mary’s head is also a UFO. Art historians, of course, disagree with most of this.

How did 'Chariots of the Gods?', written by Erich von Däniken, seep into the mainstream — and shape controversial theories ...

Tepoztlán is a mountain town known for its 800-year-old Tepozteco pyramid, an ancient Xochimilca temple built by the Aztecs. The site, however, has become a place of pilgrimage for UFO ...