A mysterious pre-Incan ruin believed to have miraculous healing powers.

These giant mummies are set ominously into a Peruvian cliffside and topped with real human skulls.

Death rituals and sacrifice inside a Peruvian megalith.

These steeply terraced ruins are a stop along the Inca Trail to Machu Picchu.

With nearly double the depth of the Grand Canyon, this Peruvian canyon is one of the deepest in the world.

Extraordinary rock formations in open Peruvian fields.

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

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

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

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.

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

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

An unexpected desert oasis in South America.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

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.

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 remarkable geological formation resembling a forest made of stone.

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

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

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

As one of the world's largest hydroelectric dams this plant took two countries to get built.

The preserved home of the first settler of "the most German town in Brazil."

One of the few places in the world where visitors can walk alongside fossilized tracks from 80 different dinosaur species.