After the oysters have been shucked, and the restaurant's been shuttered, the terrazzo sidewalk from the 1940s is all that remains.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

A tribute to the Polish insurgents who fought in the failed attempt to end their city's Nazi occupation.

In the summer, the area around this sculpture transforms into a vibrant concert venue.

Special benches that play Chopin's music are scattered throughout his native city.

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

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

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

This medieval cathedral houses stained-glass windows featuring saints and pretzels.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

The skyline of Montreal includes the silhouette of an unexpected fruit-shaped Canadian staple.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.