This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

About as hidden as can be, this specialty coffee shop is wedged between multi-story buildings at the end of a dark, skinny alleyway in Seoul.

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

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

Elaborate series of tunnels where traces of mass suicide are still visible.

White beach sands made of the remains of tiny, star shaped creatures.

The largest volcanic caldera in Japan holds an entire city in its maw.

Each year this Japanese temple overflows with scowling, bearded good luck talismans.

This sawtooth mountain range still bears the strangely lovely marks of its history as a medieval quarry.

A massive cave complex boasts some of the clearest water (and most charming bats) in the world.

This 700-year-old street food market features baby octopus and soy donuts.

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

The legendary birthplace of the Japanese maneki-neko is dotted with hundreds of lucky beckoning cats.

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

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

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

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

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

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

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

15 monolithic temples emulate an eroding sand castle.

A centuries-old lookout post still sits atop a natural stone spire.