This lake’s emerald green waters are a spectacular sight, but it’s not a great place for a swim.

A desert that evokes the surreal.

Bolivia's needle-like rock formations.

This red lake 4,000 meters above sea level is home to rare flamingos.

A valley of unique erosion patterns lends to a view like nothing on Earth.

The world’s highest ski resort was deserted after an 18,000-year-old glacier melted away.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

The little bear in the "funny kind of hat" has made his way from London back to Peru.

Visiting dignitaries and Hollywood stars once stayed at this 1920s hotel, alongside ghosts that are said to haunt its corridors.

This stone complex marks the urban center of a lost civilization.

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

Did Inca children also slide down these smooth rocky slopes above Cusco?

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

The remains of what was the most important religious complex in coastal Peru for over a millennium.

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

A backdoor to Machu Picchu that only the most foolhardy infiltrator would attempt to breach.

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

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

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

Sleep in a glass pod dangling off a cliff.

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

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