One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Madrid's last horchata kiosk is a blue-and-white beacon of refreshment.

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

This legendary "evil" doll has been haunting the citizens of Key West for over 100 years.

Town of spiritualists and mediums in Florida.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

This imposing 20th-century castle was abandoned before it was ever completed.

A mining town, now abandoned, was built in a canyon so narrow that the railroad ran right through the hotel lobby.

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

A bronze sculpture of Lenin’s likeness outside Havana surrounded by 12 human figures in solidarity with the Bolshevik Revolution.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

A collection of abandoned typographic signs from Berlin and beyond.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

Dark, eerie exhibits make for a surreal exploration of the subconscious.

This small museum is basically a time capsule of daily life in the Soviet Union.

The past, present, and future of Russia's signature alcohol is remembered in the world's only museum dedicated to the starchy spirit.