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

An astounding annual light display honors the victims of one of Japan's most devastating earthquakes.

This subterranean spot might be the epitome of Japan's baroque, retro coffee houses.

Japan's largest area of "pink moss" turns the hillside bright pink every spring.

A rare festival blending religion, blacksmiths, vagina dentata, sex workers, and the straight-up facts of life.

Coast along one of Japan’s mountain railways for coveted views of magnificent hydrangeas.

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

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

A Buddhist temple to honor insects that died for science.

Drinkslinger is an unlikely vocation for a Buddhist monk, but at this Tokyo bar the enlightenment is served in a martini glass.

Meet the world's longest tapeworm in a collection that really gets under your skin.

Museum showcases Japanese sexuality and some amazing ocean views.

The bartenders at this crime-fighting theme cafe are actual private detectives by day.

Steaming blood-red hot spring from hell.

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

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

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

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

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

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

Go through the looking glass in Tokyo's Wonderland-themed shop.

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

Not quite the menace it once was, this monster still has some chops.