Hidden behind musical flora and forgotten for over a thousand years, this cave is now a neon dream.

A natural arch offers panoramic views of Yangshuo's karst hills.

Disaster prevention apartment blocks in Sumida Ward are designed to save as many as possible in the face of the inevitable.

This tiny museum hidden above a restaurant houses thousands of modern and traditional kites.

The small candy-colored ride is the last rooftop Ferris wheel in Tokyo.

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

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

A magical place that lets you play in and explore the world of Studio Ghibli.

Half of a waterfall goes into the river while the other half seems to disappear.

The abandoned remnants of a little sanctuary for world peace that fell into disrepair.

The quirky collection includes treasures like Elvis' underwear, Bob Barker's toothbrush, and hundreds of sock monkeys.

These elevated trucks were put in place as a middle finger to The Man, but are now considered folk art.

A unique attraction and museum dedicated to exploring iconic roadside structures.

An eccentric inventor's castle home with its own indoor weather system.

The remnants of an early American attempt at missile defense.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

A small museum in the Golden Triangle tells the story of the opium drug trade that gripped Northern Thailand.

The skeletons, demons, and corpses serve as a warning of the terrors of Buddhist Hell.

Modern design and unusual architecture make this mountaintop temple no ordinary Buddhist retreat.

Bangkok's men with dangerous jobs come here in search of protective talismans.

An enormous dragon scales the walls of this 17-story temple.

A limestone wonderland of water and subterranean secrets.

A kaleidoscopic warehouse-maze of handmade neon signs.

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