The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Colorful umbrella-covered trees in Singapore's Little India look straight out of Dr. Seuss.

Time-frozen department store of dangerous and dusty relics.

A condom-covered Thai restaurant that is more concerned with birth control than food.

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

Vintage furniture and art share space with all manner of collectibles at this quirky shop in Bangkok.

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

Once the home of a hermetic monk, this cave now houses a small church.

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

Plot your trip through the city on the sidewalk.

One of only two commuter aerial tramways in the United States.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

A beautiful, but toxic, lake formed by mining.

This collection of reclaimed landmines acts as both an exhibition of their deadly history and as a shelter for children affected by them.

Built by King Norodom to honor his late father.

Khmer Rouge's high security prison.

Cliffside houses provide a spectacular view from their perch above the valley.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

Northern Ireland's Brobdingnagian stepping stones.

An Australian lake whose pink hue defies scientific explanation.

The real life Hobbiton, this sheep farm has been forever transformed since being built for The Hobbit film series.