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

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

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

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

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.

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

Ecuador's largest Incan ruins show evidence of sophisticated irrigation and diplomacy among the ancient builders.

One of the most remote lodges in the Amazon offers rare wildlife encounters and undisturbed views of the Peruvian rainforest.

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

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

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

This unimaginably large pile of sand near Nazca is one of the tallest dunes in the world.

Ain't no party like a ghost town party.