Sacsayhuamán, Sacred Valley
Sacsayhuamán, alternatively called Saksaq Waman, is an ancient Inca ruin at an altitude of 3,701 meters. It is a walled complex laden with mystery near the old city of Cusco, Peru. The immense fortress was built by huge stone blocks weighing upto 300 tons, but nobody knows how these stones were cut, moved and put into place. The construction method of the builders