Ancient Aliens

Ancient Aliens is counting down the world's top ten most mysterious sites, from the towering Moai statues of Easter Island to the enormous megalithic blocks of Stonehenge to the precision cut stones of Puma Punku. [HISTORY Channel]

An ancient figurine of a modern-day airplane. A primitive statue of a man in a spacesuit. Mysterious crystal skulls whose origins are entirely unknown.[HISTORY Channel]

We're counting down the world's top ten alien encounters, from the first reported abduction event to mass UFO sightings over New York's Hudson Valley to an incident in ancient Rome that changed the course of history.[HISTORY Channel]

In this extraordinary two-hour special, Shatner will bring thought-provoking questions to the leading experts of the show.[HISTORY Channel]

Ancient Astronaut theorists investigate the mystery of the Human genome, in an attempt to determine if human beings are the product of an extraterrestrial experiment. [HISTORY Channel]