Closed for decades, this strange symbol of Japan's Expo '70 has finally opened its psychedelic insides to the public.

Be a ninja - or just act like one.

Historical Japanese-Dutch relations are honored with haunted rides and flower fields in this replica town.

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

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

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

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

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

Shells collected from over a hundred different countries line the walls, floors and ceilings of this fantasy museum.

This ancient temple is set up to take you on a pilgrimage of self.

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

With over 12,000 different species of plants, this botanical garden is Japan's oldest and most diverse.

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

The world’s first hotel to be run by robots.

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

Serving you alcohol with a side of insanity. Also, costumes!

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

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

A Buddhist temple to honor insects that died for science.

Museum showcases Japanese sexuality and some amazing ocean views.

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

Steaming blood-red hot spring from hell.

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.