Mystic Incan rock piles three miles above sea level.

These ruined Incan mausoleum towers still bear carvings of sacred animals on their blocks.

The mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

The highest tropical mountain range in the world is in Central Peru, home to a vast array of exotic and quirky plants and animals.

This Peruvian bone silo lined with hanging human skeletons and hundreds of skulls is topped with a remarkable Michelangelo replica.

The world's largest clay lick, where parrots gather to snack.

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

One of the world's tallest waterfalls wasn't revealed to the world at large until 2006.

This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

Death rituals and sacrifice inside a Peruvian megalith.

Extraordinary rock formations in open Peruvian fields.

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

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

An unexpected desert oasis in South America.

A market for witches is hidden within a train station.

Huge stone depressions which may have acted as an Incan agricultural experiment.

This scalding hot river was thought to be a myth until one geoscientist made it his quest to study the mystical waters.

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

Plundered and left asunder by grave robbers, this ancient necropolis has been painstakingly pieced back together.

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

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

A remarkable geological formation resembling a forest made of stone.

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.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.