History's Mysteries

The Roman city of Ostia was once a vital harbor town. Today, Ostia is covered in sand. Examine the reasons for its demise and explore recent excavations, which unearthed well-preserved ruins that rival those of Pompeii.

The quest for the true identity of the outlaw with a heart of gold is nearly as old as the legend itself, which began in 1377 with poet William Langland's reference to "Robyn Hoode". Ballads cast him both as a villain and wronged nobleman. Scholars offer amazing facts about the man whose unique blend of socialism continues to tantalize.

Could early civilizations and ancient people really have seen flying saucers? This documentary reveals how documents and drawings from thousands of years ago might shed some light on possible visits from other beings.

For nearly 50 years, what goes on inside these buildings has been known to only a select few. But now, for only the second time, the National Security Agency is opening doors that have been sealed tight.

For decades, the CIA has worked virtually nonstop to perfect means of controlling the human mind. But while many have suspected the existence of these projects, the details have long been preserved - until now!

Archaeologists find what may be the cities of Sodom and Gomorrah, then try to determine what happened to them.

Evidence supporting the belief that a highly advanced civilization flourished during the last Ice Age.

Civilizations seek their destinies through prophetic visions.

For nearly a century, archeologists have hunted for the royal burial chamber of King Antiochus. So far, coming up empty-handed. The quest has taken it's toll on the explorers and archeologists who hope to discover the find of the century.

An ancient city: a Mediterranean paradise until it was flooded. Archeologists must work quickly to uncover it's secrets before it is flooded again.