Dive into the ultimate exploration of humanity's greatest mysteries! Could the legendary powers of ancient gods and today's super-heroes be rooted in alien technology? Find out in this full episode marathon of "Ancient Aliens. Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay ...

Tattoos, piercings, and body modification account for a nearly one-billion-dollar industry. See more in Season 14, Episode 19, "Human Hieroglyphs." 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 ...

Archaeologists uncover evidence of the burial of an early Egyptian god, in this clip from Season 20, "Egypt's Giant Tombs." 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 ...

Be warned: these 4 stories of alien abductions will absolutely terrify you, in this Ancient Aliens compilation. 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. ...

For more than four decades, award-winning journalist Linda Moulton Howe has covered the most mysterious phenomena on Earth. See more in this scene from Ancient Aliens Season 20, Episode 18, "The Linda Moulton Howe Files." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up ...

Ancient Greeks, Egyptians and other cultures have legends about exceptional children who are the offspring of humans and the gods. See more in Season 2, Episode 24, "Alien Influences." Stay up to date on all of your favorite The HISTORY Channel shows at http://history.com/schedule. ...

Dr. J. Allen Hynek pioneered new ways of studying aerial phenomenons and later developed a UFO classification system modeled by others, in this clip from Season 15, "The UFO Pioneers." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows ...

Could it be that the food of the gods was really sustenance for alien visitors? See more in Season 14, Episode 18, "Food of the Gods." 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 ...

Many sights of otherworldly figures have been reported in America. See more in this compilation from Ancient Aliens. 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. ...

Check out these unbelievable UFO sightings in this compilation from The UnXplained. Watch your favorite episodes of The UnXplained, and stay up to date on all of your favorite The HISTORY Channel shows at history.com/schedule. Check out more full episodes of The UnXplained on YouTube here- ...

A shocking DNA study released in 2018 reveals that the original builders of Stonehenge mysteriously vanished. See more in Season 14, Episode 17, "The Secrets of Stonehenge." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite shows on The ...

Throughout ancient cultures there are stories of god-like beings providing instruction to early humans. See more in this scene from Season 20, Episode 16, "The Teachers." 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 ...