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

Situated on a sacred Inca site, this 16th-century cathedral took nearly 100 years to build.

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

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

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

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

This 16th-century monastery was founded to cloister the daughters of wealthy local families.

The sophisticated hydraulic system of the Nazca civilization.

This metal tower in the desert provides views of a handful of Nazca geoglyphs.

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.

A museum dedicated to the German scientist who revealed the significance of the mysterious Peruvian Nazca Lines.

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

This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.

His music once banned in Communist Cuba, John Lennon is now immortalized in bronze by Castro, who considers Lennon a "fellow dreamer."

In terms of history and architecture, this is one of the most remarkable cemeteries in the world.

Castro's communist ice cream mothership has been serving five-scoop "salads" for over 50 years.

Once a favorite playground for the world's most illustrious guests, Hotel Nacional's secret weapons and bunkers reveal a more menacing side to its golden history.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

This communist country can still appreciate its fragrant past.

A colossal statue with a controversial past, forgotten for more than 30 years.

A small museum in the Bay of Pigs gives the Cuban perspective on the famously failed U.S. invasion.

A nuclear power plant abandoned along with an international allegience.

An old slave lookout in Cuba's historic sugar cane fields.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.