Death rituals and sacrifice inside a Peruvian megalith.

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

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

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

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

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

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

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

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.

An unexpected desert oasis in South America.

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

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.

A market for witches is hidden within a train station.

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

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.

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

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

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.

An underexplored, 130-foot tropical waterfall that you will have all to yourself.

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

The world's widest single drop waterfall, and the two men who legend says went over its edge in a boat.

Where British troops serving on the remote islands paid tribute to their faraway hometowns.