A dangling church built over a Colombian gorge.

A turquoise lake within a volcanic crater.

These unusual stone structures are actually fish traps crafted by an ancient civilization.

The remains of an ancient settlement in one of the oldest archeological sites in South America.

Massive volcano in the Andes is the farthest point from earth's center.

This cave system allegedly holds the "metallic library" of a lost ancient civilization.

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

A swing to dangle you off the very edge.

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

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

If you’ve ever seen a picture of Machu Picchu, then you’ve seen a picture of Huayna Picchu—you just didn’t realize it.

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

A paradisical gorge with rapids, waterfalls, and wildlife whose raw beauty is the stuff of CGI movies.

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

This high-Andean reserve protects the graceful vicuña that was nearly hunted to extinction for its precious wool.

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

This metal tower in the desert provides views of a handful of Nazca geoglyphs.

Nazca pilgrimage site covering 370 acres is a popular stop for archeologists and looters.

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.

An unexpected desert oasis in South America.

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

A market for witches is hidden within a train station.

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

A mysterious pre-Incan ruin believed to have miraculous healing powers.