This enormous monument is one of the most iconic structures in Tokyo, rudely nicknamed "The Golden Turd."

Home to the world's oldest wooden building.

A sobering scientific reminder of the human damage caused by the advent of the nuclear age.

White beach sands made of the remains of tiny, star shaped creatures.

A remarkable lava formation encloses a line of Buddhist statues that can't be accurately counted, according to local mythology.

Peace Park and the Atomic Bomb Dome.

Steaming blood-red hot spring from hell.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

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

A concrete mushroom that divided Stockholm residents for nearly a century.

An 11th-century runestone decorates the halls of Terminal 2 of this Scandinavian travel hub.

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

This gem from the industrial age helps visitors and residents alike traverse hilly Stockholm.

Stockholm's narrowest alley is barely over two feet wide.

Stockholm's deepest subway station is also a stunning ecological wonder.

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.

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.

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

This statue of the great Argentinian car driver is located near a famous curve of the Monaco Grand Prix.

An exclusive waiting room built for the royal family in the 1920s is hidden in Milan’s central station.

The train platform where Jews were sent to concentration camps is now preserved as a Holocaust memorial.

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.