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

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

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

The inspiration for the Patagonia Clothing logo, Cerro Fitz Roy turns pink at sunrise.

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

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

This stunning mass of ice spans 121 square miles and is still growing.

Mountain of unimaginable riches that bankrolled the Spanish Empire, complete with its own underworld god.

The celebrity luchadores of La Paz are tough ladies in traditional petticoats and braids.

The soaring gondola lines form the longest aerial cable car system in the world.

This red lake 4,000 meters above sea level is home to rare flamingos.

A valley of unique erosion patterns lends to a view like nothing on Earth.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

A seemingly endless landscape of pure salt stretches far across Bolivia.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

The "Seinfeld" diner.

Elevated freight railway turned wildly successful urban park.

Try not to get slimed in Tribeca.

A living snapshot of a different time in America is preserved and maintained by a community of volunteers.

Sleep where gangsters fell amidst smoke and flame, with nary a bullethole to show for the legendary struggle.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

The only castle in North America to ever house European sovereigns.

66,000 pieces of art, donated by one of the world's richest men.