Granite gorge of Rio Urabamba, seen from approach to Inca ruins, Machu Picchu, Peru, South America

Ruins of Inca town site, seen from south, with Rio Urabamba below, Machu Picchu, UNESCO World Heritage Site, Peru, South America

Machu Picchu view of the ancient city with Huayna Picchu Peak above the Rio Urubamba hikers viewing the site from Inca trail, Highlands, Peru

Machu Picchu view of the ancient city with Huayna Picchu Peak above the Rio Urubamba terraces, city walls and gate in foreground, Highlands, Peru

Machu Picchu the ancient Incan city with above the Rio Urubamba in the Vilcabamba Mountains llamas grazing within the site, Highlands, Peru

Machu Picchu view of the ancient city with Huayna Picchu Peak above the Rio Urubamba hikers viewing site from end of Inca Trail, Highlands, Peru

Machu Picchu view of the ancient city with Huayna Picchu Peak above the Rio Urubamba in the Vilcabamba Mountains, Highlands, Peru

Machu Picchu view of the ancient city with Huayna Picchu Peak above the Rio Urubamba in the Vilcabamba Mountains, Highlands, Peru

Machu Picchu view of the ancient city with Huayna Picchu Peak above the Rio Urubamba in the Vilcabamba Mountains, Highlands, Peru

Machu Picchu view of the ancient city with Huayna Picchu Peak above the Rio Urubamba in the Vilcabamba Mountains north of Cuzco, Highlands, Peru

Machu Picchu view of the ancient city with Huayna Picchu Peak above the Rio Urubamba in the Vilcabamba Mountains, Highlands, Peru

Machu Picchu view of the ancient city with Huayna Picchu Peak above the Rio Urubamba Peruvian school children visiting the site, Highlands, Peru

Machu Picchu view of the ancient city with Huayna Picchu Peak above the Rio Urubamba in the Vilcabamba Mountains north of Cuzco, Highlands, Peru

Machu Picchu view of the ancient city with Huayna Picchu Peak above the Rio Urubamba in the Vilcabamba Mountains north of Cuzco, Highlands, Peru

Machu Picchu view of the ancient city with Huayna Picchu peak above on the Rio Urubamba in the Vilcabamba Mountains, Highlands, Peru

Machu Picchu view of the ancient city with Huayna Picchu peak above on the Rio Urubamba in the Vilcabamba Mountains,, Highlands, Peru

Machu Picchu view of the ancient city with Huayna Picchu Peak above the Rio Urubamba in the Vilcabamba Mountains, Highlands, Peru