Ghosts of a bizarre plane crash and a mysterious underground city point to powerful forces at work inside the Grand Canyon National Park. ...

Earth is home to 10 quintillion insects. In cultures throughout the world, insects have been honored, feared and even revered as gods. But might these strange creatures t ...

Strange rock carvings from 8,000 B.C. Unexplained sightings in the new world. And a frightening anomaly plaguing the American West. Is there more to America's past than i ...

A young man's spiritual journey. A controversial bestseller. And a scientific theory that threatened to change the world. Just what are the facts behind Erich von Daniken ...

The abduction of Travis Walton in 1975; Travis claims to have been abducted by extraterrestrial beings and taken aboard their space ship. ...

In 1980, three young military men were sent into a UK forest to investigate strange lights. They reportedly encountered a spacecraft of unknown origin. ...

In 1980, three young military men were sent into a UK forest to investigate strange lights. They reportedly encountered a spacecraft of unknown origin. ...