This definitive documentary series investigates the world's most intriguing lost cities, bizarre formations, and sacred sites. Travel from the Mayan Yucatan to the depths of Loch Ness, and learn about the legends from King Arthur's time to the ghosts that haunt Tombstone.
Chaco Canyon is an archaeological site rich with information, much of it still buried underground. Experts visit to piece together the mysteries of the Anasazi culture.