In the middle of one of South America's most historic walled cities lies a bar with an enormous collection of Soviet memorabilia.

Storied crypts fill the most famous cemetery in Colombia.

Colombia's biggest botanical garden contains plants from all across the country.

An Inca spa, military outpost or maybe… both?

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

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

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

One man's remarkable private collection of art from around the world.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This sprawling market is a one-stop shop for traditional Kazakh foods, from mare’s milk to sheep’s head.

One of the world's tallest statues is also one of its most hated.

Gargantuan home of Russian science.

One of the largest collections of socialist realist art shows the surprising depth of the official art of the Soviet Union.

The tallest hotel in Europe.

World's largest bell sits on the grounds of the Kremlin in Moscow.

A sculpture park of the tossed aside relics of the USSR, from Stalin to a massive Soviet emblem.

This building holds the embalmed remains of the leader of the Bolshevik Revolution.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

High plateaus and beautiful waterfalls frame this ecologically significant nature preserve.

A 125-meter long "tribute to the Brazilian people."

Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.