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
Intihuatana, Urubamba century, the Viceroy Francisco de Toledo and the clergy destroyed those "Intihuatana" which they could find. They did so as they believed that the Incas' religion was a blasphemy and the religious significance of the "Intihuatana" could be a political liability. The "Intihuatana" of Machu Picchu was found intact by Bingham in 1911, indicating that the Spanish conquerors had not found it. The "Intihuatana" of Machu Picchu was carved directly into the bedrock of the mountain's summit area. It is characterized by complex surfaces, planes and angles whose purpose at this time is unknown. Incomplete descriptions of its purpose by