Watch Full Movie Online. For centuries, Stonehenge has been cloaked in mystery. Who built it? How did they do it? Why did they do it and what is its significance? Now, a team of archaeologists takes a high-tech approach to find out, and their discoveries will exceed all expectations. Learn the full story of the world's most investigated prehistoric site, featuring a forgotten people who were meticulous planners, profound believers and true warriors. It's a 10,000-year-old tale, pieced together by state-of-the-art survey equipment and compelling archaeological evidence.