Cold war icon and onetime "hole" in the iron curtain.

The most visited, and possibly most controversial, museum in Germany.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

A dilapidated dock tells the story of Titanic's missed arrival.

Once a black market electronics marketplace, now an otaku shopper's paradise.

Try not to get lost in this picturesque Brazilian labyrinth of the dead.

A jungle in the heart of São Paulo reminds visitors of what Brazil looked like untouched by man.

The pedestrian traffic signals in Brazil's teeming metropolis light up with clues to nearby landmarks.

Beautiful public park off the beaten path and away from tourists.

As one of the world's largest hydroelectric dams this plant took two countries to get built.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

This unique building in the main square stands out among the city's typically Baroque architecture.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

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

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.

France's most famous cemetery, with some of its most curious tombs.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

This bridge was constructed from the rubble of the infamous Bastille.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

The celebrated eyesore created by starry-eyed sweethearts.