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.

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

CDMX's home for the world's culinary delights.

At a museum of everyday objects, it is the act of collecting that is really on display.

These two giant boulders mysteriously perched on a 60-foot cliff may have been slung up there by a raging tsunami.

The legend associated with these ruins understates the splendor of the mansion that once stood here.

A fantastic place to see murals, and an important location in the history of Toronto's legal street art scene.

Every year, the colorful murals of Montreal get a complete makeover.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

This Toronto garden collects stares and tchotchkes in equal measure.

A book collector's dream, this Toronto bookstore has the world's first "Biblio-Mat," a random book vending machine.

Costa Rica's best known combat zone, used during the Battle of Santa Rosa.

The holes in this wall provide a glimpse into Jewish life in Budapest, both past and present.

Amsterdam's former hotspot for public executions and dissections.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

This cheese shop also houses a museum devoted to Dutch dairy.

India's first open-air public art district sits in the heart of the country's capital.

Nineteen ancient rock-cut Buddhist caves can be found on the outskirts of Mumbai.

Stunning Roman aqueduct used for 1900 years and still standing.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

A short volcanic hill in Quito doubles as a stellar observation point of an iconic statue.

Legend says if this neo-Gothic basilica is ever officially completed, the world will come to an end.