Extraordinary rock formations in open Peruvian fields.

A remarkable geological formation resembling a forest made of stone.

An Archaeological Wonder of Peru, and the largest stone ruin site in the New World.

Keshwa chaca, among the last handwoven Incan bridges, crosses Apurimac Canyon in Peru.

An unexpected desert oasis in South America.

White llama terraces dazzle in Peru's "other Machu Picchu."

Nazca pilgrimage site covering 370 acres is a popular stop for archeologists and looters.

A valley of unique erosion patterns lends to a view like nothing on Earth.

Bolivia's needle-like rock formations.

Astronomical observatory above Lake Titicaca.

The Uros people live on floating reed islands in lake Titicaca.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.