The Civil War nearly destroyed the great experiment known as the United States of America, but is it possible that the preservation of the republic was influenced by extraterrestrial beings? Abraham Lincoln described strange visions and premonitions that occur before pivotal moments in his ...

Check out these otherworldly medicine remedies. See more in this Ancient Aliens compilation. Watch full episodes and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens and other ...

Check out Alaska's most mysterious events. See more in this Ancient Aliens compilation. CH1 - 0:00 - The Top Ten Hidden Alien Bases CH2 - 4:48 - The Mysteries of Alaska CH3 - 10:36 - Hidden Pyramids CH4 - 14:07 - The Mysteries of Alaska Watch full episodes and stay up to date on all of your ...

Inexplicably, megalithic structures found on different continents are strikingly similar, and the cutting and moving of the massive stones used to build these magnificent feats would be a struggle for modern day machinery, let alone ancient man. Evidence suggests that an ancient mountaintop ...

Check out these mysterious moon theories. See more in this Ancient Aliens compilation. Ch1 - 0:00 Ch2 - 17:08 Watch full episodes and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient ...

If aliens visited Earth in the remote past, could they have given us advanced technology, passed down through human history? And could this technology have helped the Third Reich build mysterious weapons and crafts far beyond the limits of 20th century science? German aerospace engineer Wernher ...

Check out these mysterious monoliths! See more in this Ancient Aliens compilation. New Season Fri., Feb. 7 at 9/8c; Stream Next Day, and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from ...

Could it be that the forces of inspiration that the ancients attributed to the gods really did emanate from an otherworldly source? Is it possible, as Ancient Astronaut theorists believe, of an extraterrestrial connection to the scientific genius of famous historical figures such as Albert ...

Could these sightings, coming from every part of the world, from biblical times to present day, be evidence that aliens have been with us all along? See more in Season 1, Episode 4, "Closer Encounters." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of ...

If ancient aliens visited Earth, what was their mission, and is there evidence that points to when they will return? See more in Season 1, Episode 3, "The Mission." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY ...

What if life on Earth began in outer space? See more in this special from Ancient Aliens, Season 1, Episode 99. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The HISTORY Channel website at http://history.com/schedule. ...

Could aliens have influence over every human invention ever? See more in Season 1, Episode 9, "Aliens and the Superhuman Mind." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient Aliens ...