Ain't no party like a ghost town party.

Tucked behind the Institute of Neurological Science down a decrepit street resides the largest display of human brains in Latin America.

Extraordinary rock formations in open Peruvian fields.

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

The world's fifth tallest waterfall is a spectacular silver chute of water that cuts through the cloud forest in northern Peru.

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

Lima’s Museum of Anthropology is lined with thousands of elongated human craniums.

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

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

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.

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

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

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 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 market for witches is hidden within a train station.

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

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

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.

These spectacular ruins were built by Spanish padres in the 17th century.