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

One of the few surviving World War II-era air-raid shelters in Tokyo.

Chiseled out of a sandstone cliff, one farmer's unfinished art project lies in ruins.

A wooden prison doesn't sound like a good idea, yet this abandoned 1950s detention center still stands today.

This massive, beautifully-lit underground quarry leaves visitors in awe.

The only Buddhist temple in Japan dedicated to breasts.

This phallic temple was erected in the forest to honor the tragic death of a samurai lord's son.

If you forgot something to read during your trip to Tokyo, this hostel has you covered.

The site of Japan’s first archaeological excavation is also the birthplace of fingerprint forensics.

An eerie reminder to the horrors of World War II.

These wondrously illuminated caverns extend under the mountains of the Fukushima Prefecture.

"Excuse me sir, your submarine is blocking my building."

This ancient burial site was once thought to be the home of a race distinctive to Ainu folklore.

Hidden by the roadside in the Iya Valley, this gem brings together folk monsters and the region's unique geography.

When this massive wooden temple ran out of rope, they made one out of devotees' hair.

The Yonaguni Monument, a natural formation or the Japanese Atlantis?

A small island with no monkeys but plenty of military ruins.

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

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

As the aging humans of this Japanese village die off one local artisan is replacing them with eerie homonculi.

A museum dedicated to the history of Tokyo's often-overlooked working-class district.

Giant animal sculptures are created with the rice straw leftover from the fall harvest each year.

Be a ninja - or just act like one.

Crawl through the hole in the middle of this stone to break off a bad relationship or initiate a good one.