The remains of a prehistoric settlement with a museum showcasing fascinating archaeological finds next to modern artworks.

Fifty-odd dinosaur footprints are preserved on this strip of mountain cliff along with ancient ripple marks.

Nestled among the bamboos in a temple complex, this art installation serves as a unique memorial to insects.

Sharks, stingrays, and turtles swim in the pools at this former elementary school.

Over 40 species of fern cover the canyon walls of this lush green bowl, cut off from the bustle of the world by a cave entrance.

There's light and a dreamlike panorama at the end of this tunnel.

A stretch of the Iwai River that features beautiful rocky cliffs, rapids, and flying dango.

Running through lush forests and across the Tadami River, this train line offers breathtaking views of rural Japan.

The only Edo-period ferry that is still in operation in Tokyo today.

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

A hub of information on tropical diseases and their treatments.

Narrow passes cut out of mountains surround the medieval capital of Japan.

450 dead and frozen fish, proudly on display in Japan.

"Bug Bug" Land, a natural park for beetle watching, still hasn't fully recovered from Fukushima's nuclear disaster.

Modern Japanese museum is buried by snow annually.

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

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

A quaint amusement park now sits, rusting and forgotten among the foliage.

A network of sandy streets lined with verdant fukugi trees weaves throughout this tiny seaside town.

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

One of the world's largest tanks mimics the experience of watching rare whale sharks, giant rays, and deep sea creatures from the ocean floor.

This sawtooth mountain range still bears the strangely lovely marks of its history as a medieval quarry.

An unexpected curiosity cabinet hidden within a department store in the Japan Post tower.

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