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It's one of the most iconic structures in the world. Revisit NGC's exclusive look at groundbreaking evidence that places this ancient monument at the center of one the largest prehistoric religious complexes in the world. Stonehenge Decoded details the discovery and excavation of a 4,500-year-old settlement less than two miles from Stonehenge that new evidence shows to be a near replica of Stonehenge. Narrated by Emmy Award-winning actor Donald Sutherland, NGC presents the new evidence.