The ruins of Japan’s premier water brothel.

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 traditional Japanese-style house doubles as one of James Turrell's colorful works of art.

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

The largest of the Fuji Five Lakes is home to an impressive swan population—some real, some with paddles, and one with an observation deck.

A massive wintry wall of snow up to 66 feet tall flanks a highway through Japan's mountains.

Unusual hexagonal rocks formed by cooling lava named for their resemblance to traditional Japanese tatami mats.

A steaming, boiling hellscape sources Hokkaido's thermal baths.

This pond is so stunning it looks like you've stepped into one of Monet's masterpieces.

A Japanese corporation has turned this small island town into living modern art gallery.

One of the first hotel rooms in a pod.

Museum showcases Japanese sexuality and some amazing ocean views.

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

Legend holds eating just one of these black eggs can add seven years to one's life.

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

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

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

A restaurant modeled after feudal Japan, where the waitstaff are trained as ninjas.

Steaming blood-red hot spring from hell.

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

An ordinary pond with fish from out of this world.

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

Every color in the rainbow awaits.

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