This ancient shrine has been rebuilt every 20 years since the eighth century.

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

Though it won't take you far, the wood train housed at this station is the last of its kind in Japan.

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.

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

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

In a rural Japanese town that has committed to sustainable practices, even the hotel is made from recycled materials.

Be a ninja - or just act like one.

Nine Gardens in one—with tea service.

The traditional houses along the coast of this charming Japanese fishing village allow people to sleep above the sea.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.

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

One of the world's largest ancient burial mounds.

This brothel-turned-restaurant features plenty of surprises and elaborate, extravagant architecture.

Perhaps the world's cheapest vending machines.

Near the mouth of the Yodo River, this museum offers visitors six floors of hands-on learning about Osaka's raw sewage.

This whimsical garbage disposal facility receives around 12,000 accidental tourists each year.

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.”

A few hidden stones are said to bring fortune and love.

Nestled in an unassuming residential area, this "forbidden forest" is rumored to spirit away those who dare enter it.

A glimpse into life in 1830s Tokyo, back during the heyday of the Tokugawa shogunate.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Huge masonic hall in Philadelphia with lavishly themed rooms.

An ancient quarry rediscovered by a dog and claimed by biblical kings, a German cult, and the Freemasons.