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

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

Bolivia's needle-like rock formations.

An abandoned Incan construction project left behind a mysterious "doorway."

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.

Death rituals and sacrifice inside a Peruvian megalith.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Peru's (not so) mysterious carved stones.

Ancient Peruvian fertility temple or modern money-making hoax? Either way these monoliths still look like penises.

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