The Mediterranean Sea has been dubbed the incubator of western civilization and Ancient Astronaut Theorists believe stories of giant being roaming the earth is proof of otherworldly visitors, in this clip from Season 15, "Giants of the Mediterranean." Watch all new episodes of Ancient Aliens, ...

For thousands of years, people have held the belief that everyday objects can possess hidden energy. Talismans are seen as providing protection, good fortune, and some are even thought to embody a higher power. Learn more in this scene from Season 19, Episode 18, "The Power of The Talisman". ...

Ancient cultures around the world tell stories of strange objects witnessed flying in the sky. But are these tales fiction, or might people living thousands of years ago actually have seen extraterrestrial crafts descending from the heavens? Watch all new episodes of Ancient Aliens, Fridays, ...

Theorists propose the possibility that John F. Kennedy was assassinated in order to keep the truth about aliens on Earth from getting out in this clip from Season 12, Episode 9, "The Majestic Twelve". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: ...

Computer hacker, Gary McKinnon, claims to have uncovered undeniable proof of the Majestic Twelve's existence in this clip from Season 12, Episode 9, "The Majestic Twelve". #AncientAliens Subscribe for more from Ancient Aliens and other great HISTORY shows: http://histv.co/SubscribeHistoryYT Find ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Dan Vantari is an ancient Hindu believed to be the father of Ayurvedic medicine. Ancient astronaut theorists ponder whether his advanced knowledge was handed down by aliens in this clip from Season 12, Episode 11, "Voices of ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! An aerospace engineer at UC-Irvine tests an aircraft model that was built using measurements from ancient Hindu texts. Ancient astronaut theorists suggest the texts also contain information on how to build advanced spacecrafts ...

Join us at AlienCon to see your favorite experts from Ancient Aliens! Ancient astronaut theorists believe it's possible that certain creatures, such as the Bombardier Beetle, may have been placed on Earth by aliens in this clip from Season12, Episode 12, "The Animal Agenda". #AncientAliens ...