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

One in a pair of subterranean caves created by an ancient eruption of Mount Fuji.

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

A hub of information on tropical diseases and their treatments.

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

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

People from around the world visit the shrine of Japan’s legendarily loyal dog.

Meet the world's longest tapeworm in a collection that really gets under your skin.

Steaming blood-red hot spring from hell.

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

Twelve hundred stone carvings guard this off-the-beaten-path Buddhist temple.

This mesmerizingly colorful pond looks like a scene straight out of a fairytale.

The freshest fish here are the ones you catch yourself.

Go through the looking glass in Tokyo's Wonderland-themed shop.

Japanese island famous for poison gas and fluffy bunnies.

The legendary birthplace of the Japanese maneki-neko is dotted with hundreds of lucky beckoning cats.

A 70-foot-deep ice cave formed by lava from Mt. Fuji on the edge of Japan's "Suicide Forest." 

This historical theme park celebrates all things noodle.

Bioluminescent firefly squid light up this Japanese fishing port.

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

An exquisite tunnel of cascading flowers.

A magical place that lets you play in and explore the world of Studio Ghibli.