Through his thought experiments, Albert Einstein was able to tap into an advanced field of knowledge and enter altered states of consciousness - connecting him to the extraterrestrial world, in this clip from Season 5, "The Einstein Factor." Watch all new episodes of Ancient Aliens, Fridays at ...

Joe Parr conducted experiments on the Great Pyramids that revealed an energy field that makes interdimensional space travel possible, in this clip from Season 5, "Secrets Of The Pyramids." Watch all new episodes of Ancient Aliens, Fridays at 9/8c, and stay up to date on all of your favorite ...

How could these massive ancient structures have been made without the help of giants?! See more in Season 19, Episode 10, "The Giants of Malta." Watch all new episodes of Ancient Aliens, Fridays, at 9/8c, and next day on The HISTORY Channel website at http://history.com/schedule. ...

For thousands of years, pyramids were the largest structures on Earth. See more in Season 5, Episode 1, "Secrets of the Pyramids." Watch your favorite episodes of Ancient Aliens on The HISTORY Channel website at http://history.com/schedule. #AncientAliens Subscribe for more from Ancient ...

In the ancient city of Mecca, Muhammad is believed to have been a messenger sent by God himself, and with the help of angels, he was able to travel to other dimensions, in this clip from Season 5, "Strange Abductions." Watch all new episodes of Ancient Aliens, returning Friday, August 6 at 9/8c, ...

Ancient astronaut theorists believe that the ancient Egyptian tombs of early leaders served a more extraterrestrial purpose, and sacred texts hold all of the answers, in this clip from Season 5, "Secrets of the Tombs." Watch all new episodes of Ancient Aliens, returning soon, and stay up to date ...

In Shaanxi Province, China, farmers made an astonishing discovery of a massive underground mausoleum home to Emperor Qin Shi Huang's remains, in this clip from Season 5, "Secrets of the Tombs." Watch all new episodes of Ancient Aliens, returning soon, and stay up to date on all of your favorite ...

Chemist, Michel de Nostradamus, published an almanac containing verses that predicted the future, but nobody knows the source of these powers of predictions, in this clip from Season 5, "Prophets and Prophecies." Watch all new episodes of Ancient Aliens, returning soon, and stay up to date on ...

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 ...

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 ...