History's most enduring mysteries and legends involve tales so incredible that they blur the line between fact and fantasy. This nonfiction series for age 12 and up examines current evidence surrounding Bigfoot, alien activity, and other mythical creatures and sites, as well as related conspiracy theories, cover-ups, hoaxes, and famous sleuths. The truth is out there--uncover it! According to the ancient Greek philosopher Plato, Atlantis was a utopian island city and kingdom that was destroyed by a flood more than 11,000 years ago. But was it real or just a story? Scientists and historians seeking the truth debate conspiracy theories about the underwater island's location, people, and tragic end, while pop culture spins more fantasies. For readers age 12 and up, this title investigates the phenomena surrounding Atlantis, from historical accounts and popular myths to hard facts, evidence, and notable sleuths. Includes a glossary, index, sidebars, and further resources.