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

This mountain's identity is stuck somewhere between a nightmare and a scenic tourist attraction.

The Buddhist temples of Yamadera, built into a mountain side, feature a viewing deck with sweeping views.

These Japanese gardens are blankets of light for dark winter nights.

A tiny collection of traditional Japanese woodblock prints, open only when the owner feels like it.

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

The world's largest drain sits below the city of Kasukabe, Japan.

The 43-mile route crosses through six islands with gorgeous views of the Seto Inland Sea.

With over 12,000 different species of plants, this botanical garden is Japan's oldest and most diverse.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

This isolated Japanese mountain village untouched by time showcases unique and stunning traditional architecture.

One of Japan's most famous sights, the bridge was originally built in 1673.

The freshest fish here are the ones you catch yourself.

A beautiful bamboo trail tucked in this famous Japanese Shrine.

Nine Gardens in one—with tea service.

Hanging over one of Japan's "hidden valleys," these vine bridges must be remade every three years.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

Experience park where visitors are told to expect the unexpected.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

The magical, mossy forest that inspired Princess Mononoke.

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

A quiet patch of astroturf laid out between a building that seems to be splitting in half.

A disused quarry turned lake in the middle of a residential district.

A former reservoir that was only recently discovered after more than 60 years of disuse.