History's Mysteries

Join leading scholars for a fascinating examination of the massive timber castles which were the pre-eminent fortification of their day, yet are now largely forgotten.

A British magician fools Hitler's generals and pilots.

The 1972 incident that sparked suspicion about Alaska when a plane carrying two U.S. congressmen vanished between Anchorage and Juneau.

Asteroids have been colliding with earth since time began.

Unraveling the Arthurian legend; chivalry.

Hadrian's Wall stretches 80 miles across northern England.