Stonehenge Empire: 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.