At the right time of day, sunlight floods through the roof of this cave and illuminates the small pavilion hidden within.

The abandoned Japanese amusement park once loomed as a dystopian Disneyland.

A derelict New Zealand-themed amusement park in Japan.

The Yonaguni Monument, a natural formation or the Japanese Atlantis?

A real-life replica of a home from Hayao Miyazaki's beloved movie "My Neighbor Totoro."

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

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

If Hello Kitty were Mickey Mouse, this would be Disneyland.

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

This spa theme park lets its guests take a dip in pools of coffee, wine, or ramen broth.

A taste of the macabre Tokyo's ritzy shopping district.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.

A lakeside garden in the Southern Alps full of whimsical artwork and thousands of beautiful flowers.

Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

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

Once a black market electronics marketplace, now an otaku shopper's paradise.

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

Shrine to Japanese water-goblins, complete with their preserved body parts.

This faux-seedy Japanese arcade is made up to look like a maze of alleys straight out of a cyberpunk dystopia.

Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.

The smallest country in Australia is a principled little thing with a friendly emperor.

A wonder of natural limestone formations etched by millions of years of natural interaction between rainfall and rock and air.

Largest maize maze in the Southern hemisphere built with GPS technology on more than two acres.

An incredible garden taking over the interior of a massive sinkhole.