Japan's hottest hot spring has a memorable name.

The giant figure on the back of this turtle-shaped temple actually hides a memorial pendulum.

A flight of this "ghost staircase" has 40 steps on the way up, but only 39 steps on the way down.

Take a few seconds to look at this abandoned, art-filled station as you pass by on the subway to Ueno.

Next door to Tokyo DisneySea is a giant sculpture created by Taro Okamoto symbolizing the dynamism of life.

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

When it comes to handsignals (and colonialism) rock always beats scissors.

For hundreds of years, participants in this Japanese festival have been making babies cry to ward off demons.

This active volcano's siren song to suicide jumpers forced authorities to build a fence.

Unlikely place for krautrock legends to hang out.

Not quite the menace it once was, this monster still has some chops.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

The school tested mustard gas for the U.S. Army during World War I.

Despite being considered a thoroughly American sport, basketball's oldest surviving playing field is found in the basement of a Paris YMCA.

A modern-day Lascaux cave underneath Paris.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

A subterranean shelter remains intact under a busy Paris railway station.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

A historic neighborhood church is reborn as a psychedelic arts collective.

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

The former home of France's controversial pop maestro is almost completely covered in ever-changing tributes and graffiti.

A painfully obvious spy house sits right across the street from the Russian Embassy.