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

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

An unexpected desert oasis in South America.

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

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.

Ecuador’s historic seat of government has been quietly looted in recent decades, and no one knows how or by whom.

It took 160 years to complete the most ornate church in Ecuador.

An elaborate shrine dedicated to the four corners of the world unfortunately misses its mark.

Home of the "true" equator.

The development of this cliffside waterpark is representative of Mexico's history of co-op tourism developments.

Cool down and fill up after visiting Teotihuacán at this bar and restaurant in a deep, underground cave.

A fabulously bizarre surrealist sculpture by the late artist Leonora Carrington.

These spectacular, symbolic serpents lie within the shadow of the Great Temple.

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

The famous artist couple lived and worked here, in two different houses connected by a bridge.

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

Frida Kahlo's childhood home, now a museum of her life and works.

Once a resting spot for King Fernando VII.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

Order cookies baked by cloistered nuns in a 400-year-old monastery.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.