An art deco ice cream shop covered in vintage train station tiles.

A memorial for an outsider theorist who believed that the planet is actually hollow.

This tiny museum kept in a B&B laundry room holds the death mask of notorious bank robber Pretty Boy Floyd.

Formerly secret, precariously perched boulders.

A tourist attraction founded around a slumping cabin.

A volcanic fissure over two miles long and up to 70 feet deep.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

On the Oregon coast there is a natural hole that seems to be draining the sea.

During the rainy season, this temple is almost entirely submerged, accessible only by boat.

A tall karst islet popularized by 007.

A treasure trove of pathological, forensic, parasitological, and anatomical specimens.

Derelict airplane bodies serve as both home and income for three Thai families.

The ruins of Japan’s premier water brothel.

A calico cat named Tama was the wildly popular Super Station Master at this train stop in southeast Japan.

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

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

We heard you like volcanoes so we put a volcano in your volcano so you can die for sure...

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

Museum showcases Japanese sexuality and some amazing ocean views.

Reportedly 1,400 years old, this may be the first of the Fiji Mermaids.

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

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.