This Peruvian canyon is filled with geometric salt pools that have been being harvested since the Incan empire.

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

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.

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

An unexpected desert oasis in South America.

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

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.

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

Extraordinary sculpture garden created by an eccentric English poet.

A terrific purveyor of natural history objects and curios.

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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A bright little alley in La Boca is a part of tango history.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

A tower devoted to — and modeled after — the Divine Comedy.

This historic, palatial theater is now one of the world’s most beautiful bookstores.