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

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

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

A Christian monastery stands on what was once a holy Incan temple.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.

On this tiny spot of land in the middle of Lake Titicaca the only ones who do the knitting are the men.

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

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

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 mysterious "Candelabra of the Andes" could represent anything from a god's trident to a hallucinogenic plant.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

Horrifically creative torture devices and shame punishments line the walls of this chilling museum.

A meteorite-bounded town in Bavaria.

Designed as a reminder of one of the darkest moments in Austrian history.

A magnificent collection of imperial armor and weaponry.

Baroque celebration of the end of the Great Plague of Vienna.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

The remains of a paranoid inventor's hidden workshop lie in beautiful ruins amidst a Canadian park.

Ancient catacombs form the foundation for this Rococo orgy of a church.

The stunning interior of this Gothic church is covered in ornate gold details.

Elaborate tile work in this railway station tells the story of Portugal.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

This giant sculpture made of trash is a critique of society's wastefulness.