 Stonehenge is one of the most famous prehistoric monuments on earth. But, who built it, how did they build it and why? As Josh Bernstein investigates, he ll discover the truth behind the stories of druids, cults and human sacrifice. He will take to the air to get a rare birds-eye view of the massive structure; scale down ancient mine shafts; test the tools that would have moved the giant stones, and meet a man whose journey from a foreign land changed the Stonehenge world forever. This is Stonehenge like you ve never seen it before!