National Geographic Daily News

Machu Picchu

Photograph by Robert Clark, National Geographic

Perched high in the Peruvian Andes, the royal retreat of Machu Picchu testifies to the Inca's masterful building skills with its precision-cut stones and perfectly placed cascades of terraces.

See more photographs from the April 2011 feature story "Lofty Ambitions of the Inca."

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