For thousands of years before Stonehenge was built, its land was inhabited by a mysterious, ancient people. Albert Lin goes on an epic adventure across England and Scandinavia to discover their secrets while a team of archaeologists uncovers a unique stone structure that just might have been the reason Stonehenge was built.

Originally released by National Geographic, 2019. Streaming video file encoded with permission for digital streaming by Infobase on January 05, 2023.