Whatever happened to the city of Atlantis? Is there a conspiracy afoot to cover up alien activity at Area 51? Some of history's Enduring Mysteries involve tales so incredible that they blur the lines between fact and fiction. As much evidence as can be examined about the curious phenomena associated with five legendary sites and creatures is explored in this new series, with notable examples of popular culture references and famous seekers and hoaxes. The truth is out there--for someone to find. This title takes an investigative approach to the curious phenomena and mysterious circumstances surrounding Area 51, from conspiracy theories to claims of extraterrestrial sightings to hard facts.