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

A fascinating little museum all about the rich history of Peru’s famous plant.

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.

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

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

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

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.

Sleep in a glass pod dangling off a cliff.

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

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

An unexpected desert oasis in South America.

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.

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

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.

An intentionally grounded cargo ship remains half-buried in the sand.

One Costa Rican island is so beset by illegal shark poachers that the local rangers have built an entire bridge with their confiscated gear .

Balanced rock sculptures pay tribute to a murdered conservationist and his pioneer wife.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.