The largest volcanic caldera in Japan holds an entire city in its maw.

Closed for decades, this strange symbol of Japan's Expo '70 has finally opened its psychedelic insides to the public.

Peace Park and the Atomic Bomb Dome.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

1,001 carved statues of the Buddhist God of Mercy, each with a unique face.

The 10,000 Torii shrine.

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

Once the most densely populated place in the world, this island is now a ghost town.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

Space-age monument to an early 20th-century uprising.

Gigantic water vessel, permanently grounded in Southern Albania.

What happens when you cross a mayor and a painter?

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A naturally beautiful, seemingly bottomless deep blue spring.

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

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

The history and future of cannabis.

The vast chamber inside this abandoned cooling tower looks like something out of a sci-fi dystopia.

Six turbines towering over a wide road for passersby.

A pilgrimage site where people ask Saint Dymphna to watch over those who are not of sound mind.

The former home of a trailblazing surrealist is still filled with haunting dolls and grim paintings.