In 1952 cameras spotted UFOs flying over the White House lawn in Washington D.C. - these sightings eventually lead to Project Blue Book, created by the U.S. government, in this clip from Season 5, "Aliens and Cover-Ups." Watch all new episodes of Ancient Aliens, returning soon, and stay up to ...

Rabbi Ariel Tzadok reveals a possible indigenous earth spirit that’s been visiting the property through disappearing portals, in this clip from Season 2, "There's No Place Like Homestead Two." Watch all new episodes of The Secret of Skinwalker Ranch, Tuesdays at 9/8c, and stay up to date on all ...

Ancient astronaut theorists believe that the ancient Iranian prophet, Zarathustra, followed commands from alien entities to guide the culture, in this clip from Season 5, "Prophets and Prophecies." Watch all new episodes of Ancient Aliens, returning soon, and stay up to date on all of your ...

Watch all new episodes of Ancient Aliens returning soon, and stay up to date on all of your favorite History Channel shows at http://history.com/schedule. Japan's first ruler, Emperor Jimmu, possessed divine gifts exemplifying extraterrestrial technology gifted to him by Sun Goddess Amaterasu, ...

Watch all new episodes of Ancient Aliens returning soon, and stay up to date on all of your favorite History Channel shows at http://history.com/schedule. After discovering the remains of Jesus’ cross, theorists believe those who possess these ancient relics harness unfathomable extraterrestrial ...

Watch all new episodes of Ancient Aliens, returning Friday, November 13 at 9/8c, and stay up to date on all of your favorite History Channel shows at http://history.com/schedule. Blarney Castle houses the Blarney Stone - this widely renowned relic possesses the power to grant those who kiss it ...

Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite History Channel shows at http://history.com/schedule. Within Tibetan Buddhism, one may hold the key to accessing alien realms through deep meditation - once in an enlightened state; ...

Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite History Channel shows at http://history.com/schedule. In Qumran, Israel, the extraordinary discovery of the Dead Sea scrolls leads to a shocking revelation regarding the biblical story of Noah, ...

Watch all new episodes of Ancient Aliens, returning February 12 at 9/8c, and stay up to date on all of your favorite History Channel shows at http://history.com/schedule. Mount Olympus, Greece, is believed to be home to ancient Gods known as Olympians. Theorists believe these beings were ...

Watch all new episodes of The Proof Is Out There, Tuesdays at 10/9c, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule. Expert UFO investigator, Rich Hoffman, recalls his experience conducting an extensive investigation into a mysterious UFO ...

Journalist Tony Harris, along with forensic specialists, investigates a jaw-dropping viral video of UFOs captured in Miami, in this clip from Season 1, "Escape From Monkey Island." #TheProofIsOutThere Subscribe for more from The Proof Is Out There and other great HISTORY shows: ...