Might the tools and technology of ancient builders have come from distant galaxies? See more in this scene from Season 3, Episode 6, "Aliens and Ancient Engineers." 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 ...

How did these hieroglyphics end up in Australia? See more in this scene from Season 1, Episode 12, "The Global Connection." 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 ...

Could gold be the ultimate link between humans and aliens? See more in this scene from Season 3, Episode 4, "Aliens and Temples of Gold." 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 ...