This large round boulder is said to emit spiritual power, but it may just be magnets.

One of the largest ancient geoglyphs in the world is a tall desert god used for predicting the weather.

One of Chile's most active volcanoes is riddled with beautiful caves.

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

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

The largest stone moai on Rapa Nui.

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

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

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

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

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 Uros people live on floating reed islands in lake Titicaca.

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

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

Plundered and left asunder by grave robbers, this ancient necropolis has been painstakingly pieced back together.

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.

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

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.

Known as the site of 'El Dorado,' this mysterious lake is rumored to hold gold beneath its waters.

The centuries-old trees are draped with Spanish moss to make them look like wizened elders.