Lost city Inca site situated on a mountain ridge above the Urubamba Valley in Peru. Often referred to as the "Lost City of the Incas", it is perhaps the most familiar icon of the Inca World. Machu Picchu was built around 1450, at the height of the Inca Empire. It was abandoned just over 100 years later, in 1572, as a belated result of the Spanish Conquest. It is possible that most of its inhabitants died from smallpox introduced by travelers before the Spanish conquistadors arrived in the area. In 1911, Melchor Arteaga led the explorer Hiram Bingham to Machu Picchu, which
Machu Picchu accompany a deceased noble in the afterlife. Animal, liquid and dirt sacrifices to the gods were much more common, made at the Altar of the Condor. The tradition is upheld by members of the New Age Andean religion. Machu Picchu lies in the southern hemisphere, 13.164 degrees south of the equator. It is northwest of Cusco, on the crest of the mountain Machu Picchu, located about above mean sea level, over lower than Cusco, which has an elevation of . As such, it had a milder climate than the Inca capital. It is one of the most important archaeological sites