This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

Pre-Incan aqueduct amidst a stone forest in Peru.

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

The large collection of pre-Columbian pottery might make you blush.

An abandoned Incan construction project left behind a mysterious "doorway."

Hundreds of mummies in a silent room, some with eerily pained expressions preserved on their faces.

This remarkably well-preserved Incan city managed to survive the conquistadores.

Now containing the bones of the actual conquistador, instead of someone else.

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

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

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

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

Ain't no party like a ghost town party.

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

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

The Uros people live on floating reed islands in lake Titicaca.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

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.

A remarkable geological formation resembling a forest made of stone.

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.

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