Machu Picchu Picchu a "historic sanctuary". In addition to the ruins, the sanctuary includes a large portion of the adjoining region, rich with the flora and fauna of the Peruvian Yungas and Central Andean wet puna ecoregions. In 1983, UNESCO designated Machu Picchu a World Heritage site, describing it as "an absolute masterpiece of architecture and a unique testimony to the Inca civilization". Bingham was a lecturer at Yale University, although not a trained archaeologist. In 1909, returning from the Pan-American Scientific Congress in Santiago, he travelled through Peru and was invited to explore the Inca ruins at Choqquequirau in the Apurímac
Salcantay word meaning wild, uncivilized, savage, or invincible, and was recorded as early as 1583. The name is thus often translated as "Savage Mountain". Directly to the north of Salkantay lies Machu Picchu, which is at the end of a ridge that extends down from this mountain. Viewed from Machu Picchu's main sundial, the Southern Cross is above Salkantay's summit when at its highest point in the sky during the rainy season. The Incas associated this alignment with concepts of rain and fertility, and considered Salkantay to be one of the principal deities controlling weather and fertility in the region west