The loneliest island in New York.

The most alien-looking place on Earth.

Once the most densely populated place in the world, this island is now a ghost town.

On Japan's Tashirojima Island, cats are king.

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

The first spinning jail built in the United States is the only one that still turns.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

These warring psychedelic crags commemorate an unsuccessful military operation.

Space-age monument to an early 20th-century uprising.

This spaceship-like Serbian monument reaches for the stars in celebration of the fallen fighters of fascism.

A B&B on a Victorian lighthouse station in San Francisco Bay.

A pair of connected skyscrapers form this symbolic gateway.

An abandoned saucer-shaped monument in the Bulgarian mountains.

This late-brutalist masterpiece everyone forgot about was originally created to get the proletariat jazzed about the arts.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

The world's second largest rocking chair is found on Route 66 in Cuba... Missouri.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

The largest Star Wars collection in the world is its own galaxy of collectibles.

Graffiti, cars, and religion combine to create this jungle of scrap in the Nevada desert.

Nature is leading a successful mutiny on this century-old freighter.

An abandoned tank sits in an empty London lot as a symbolic middle finger to local city planners.

This ultra-modern home clings to the slope of the Hollywood Hills on a precarious stilt.

A bronze kitty adorns the grave of the polar explorer who brought the original feline to the Antarctic.

Anyone wanting to know what a dwarven mine sounds like need only visit the tunnels of this New Zealand artillery compound.