Approximately 300 million years ago, a massive coral reef existed in what is now the largest limestone cave in Japan.

A bibliophile's heaven that contains hundreds of bookstores, offering over a third of secondhand books for sale in Tokyo.

This traditional Japanese-style house doubles as one of James Turrell's colorful works of art.

The world's shortest escalator doesn't seem to have any reason to exist other than to hold a world record.

It's bad manners to eat and drink on the subways of Tokyo, unless the train is this bar. 

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

You can still find treasures on the pebbly beaches of one of the world's oldest jade-producing areas.

This high-design church is made up of two dizzying spirals meant to evoke the weaving together of marriage.

The small candy-colored ride is the last rooftop Ferris wheel in Tokyo.

A mysterious set of tunnels carved in the hills of rural northern Kyushu.

Make your own fake treats at this factory and workshop in the epicenter of Japan's food replica industry.

Tokyo’s only Ainu restaurant serves Indigenous food from northern Japan.

Peace Park and the Atomic Bomb Dome.

This Kyoto Starbucks takes coffee drinkers back in time.

This retro underwater observation tower would make the perfect lair for a sea-loving villain.

The world’s first hotel to be run by robots.

A Japanese cat island also populated by the descendants of a band of banished samurai.

One of the first hotel rooms in a pod.

Drinkslinger is an unlikely vocation for a Buddhist monk, but at this Tokyo bar the enlightenment is served in a martini glass.

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

The bartenders at this crime-fighting theme cafe are actual private detectives by day.

A massive cave complex boasts some of the clearest water (and most charming bats) in the world.

This Japanese national treasure was originally built in 593.

Open-air museum with an elaborate sculpture garden, stretching for over 70,000 square-meters.