Mystic Incan rock piles three miles above sea level.

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

Death rituals and sacrifice inside a Peruvian megalith.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

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

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

The ancient latrines of the Greeks, in all their public glory.

The alleged house of the Virgin Mary is tucked away in a park and nature preserve on Mt. Koressos in Turkey and is holy to both Catholics and Muslims alike.

Ancient serpentine sacrifice holder that has stood the test of time.

Vast stretch of tide-pools with a unique Moroccan charm.

A fortified city, home to a remaining population of five families

One of the most spectacular canyons in the world.

Traditional 11th-century outdoor tannery.

Mosaics, storks, and brothels—this ancient city has it all.