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
Inti Punku archaeological site with windows and gates that are held up by terraces. This is the first place that tourists can see the whole sanctuary. Tourists are able to see the sun rise over the whole mountains by Machu Picchu. The location of the gate was given to watch the people passing. The route covers a distance of approximately a mile, eventually rising above the ruins of Machu Picchu The ruins themselves serve as a final stop for hikers completing an optional five-day hike from a point far back from Aguas Calientes, the city at the base of Machu Picchu. This