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

In this pristine Ecuadorian hippie town, residents remain active well into their eighties and nineties.

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

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

An unexpected desert oasis in South America.

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

A market for witches is hidden within a train station.

Extraordinary rock formations in open Peruvian fields.

A colorful Peruvian city of the dead.

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

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

Mother Nature outdoes herself with this stunningly beautiful set of caves carved into marble.

Hand-made memorials and a wish-granting murderer lie within this seaside pauper's cemetery.

What was once a unique system of urban elevators is turning into a mechanical ruin.

Pivotal home of Nobel Prize winner Pablo Neruda.

A toxic lake near a volcanic caldera that is home to flamingos and other life.

A beautiful deserted greenhouse in the middle of a park.

Pablo Neruda's custom-built lover's nest was made to remind him of the sea and named after his mistress' hair.

The imposing piece of artwork is a celebration of Pan-American fraternity.

This odd Chilean waterfall-cano hotel must be entered via a rope bridge.

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.

This Argentinian hedge maze is an intricate tribute to a famous surrealist author.

A bright little alley in La Boca is a part of tango history.