A remarkable geological formation resembling a forest made of stone.

A jungle cave in Peru of unknown depths, otherworldly sounds, and strange nocturnal birds that navigate by echolocation.

Art school in the Amazon: Drugs, nature and sustainable agriculture.

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

A 5,000-year-old city in Peru holds the remains of a stunning set of astronomically-aligned pyramids.

The highest tropical mountain range in the world is in Central Peru, home to a vast array of exotic and quirky plants and animals.

The depictions of slaughter are surprisingly detailed at this mysterious ancient site.

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

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

This well held a sacred source of water supposedly unleashed from the barren rocks by a wizard-like archbishop.

An Archaeological Wonder of Peru, and the largest stone ruin site in the New World.

These delicate ruins need more tourists to keep them from fading away.

This walk to the Pacific Ocean is surrounded by modern statues of Mochica Gods.

The outside of this exposed Moche pyramid is covered with striking colorful adobe friezes.

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

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

Sleep in a glass pod dangling off a cliff.

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

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

Bathe in these natural hot springs located high in the Andes Mountains.

Death rituals and sacrifice inside a Peruvian megalith.

An Inca spa, military outpost or maybe… both?

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.