Ancient Aliens: EXTRATERRESTRIAL COMMUNICATION AT STONEHENGE (Season 14) | History

Watch all new episodes of Ancient Aliens returning soon, and stay up to date on all of your favorite History Channel shows at https://history.com/schedule . When an intricate crop formation appears next to Stonehenge in Wiltshire, England, ancient astronauts believe extraterrestrials are trying to communicate with us, in this clip from Season 14, "The Secrets of Stonehenge."