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.

This pair of small sea rocks has been "wed" using rope and ancient Shinto tradition.

Abandoned Japanese ghost town gives a glimpse into what our own metropolises may leave behind.

Enormous underground chamber built to detect 'ghost particles' of the universe.

We heard you like volcanoes so we put a volcano in your volcano so you can die for sure...

Japanese company creates clone dolls that reside in the "uncanny valley."

Reportedly 1,400 years old, this may be the first of the Fiji Mermaids.

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

The quintessential Japanese rock garden has existed for more than 500 years.

Japanese national treasure originally built in 593 CE.

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

Experience park where visitors are told to expect the unexpected.

Every autumn, this hillside is ablaze with red summer cypress.

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

The magical, mossy forest that inspired Princess Mononoke.

On Japan's Tashirojima Island, cats are king.

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

An exquisite tunnel of cascading flowers.

A historic Georgian building and warm springs.

This beautiful "lagoon" is actually a toxic soup filled with cars, carcasses, and trash. When warnings couldn't stop people from going for a dip, the town dyed it black.

This haunting stone chasm is a hotbed of mossy rock and English legend.

This stone throne invites adventurers to observe breathtaking views of the Peak District.

On a site with a long military history, a 1980s shelter.