Though its branches are painted bright colors by generations of locals, the tree is said to be a haunted portal to hell.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

This piece of early engineering is rather unknown despite its location in the heart of Madrid.

Part of a highway network meant to connect Miami to Montreal, this 10-mile stretch of road made from red bricks is still around 100 years later.

This 12-seat movie theater is the smallest in the world.

Mysterious meeting place for UFO hunters near Area 51.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

Three historic trains run on a half-mile track that features a tunnel.

Someone really, really wanted to save this fast-food icon from demolition.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

A bizarre house filled with an astounding array of collections.

A unique botanical garden housed in three giant geodesic domes.

This award-winning men's bathroom was just too beautiful to not allow women to see.

The "Bridge Over the Atlantic" lets you cross the waterway in mere seconds.

This pebble beach is so beautiful that taking its rocks is against the law.

The origin of this bizarre, ghostly idol is a local mystery, even to the temple it calls home.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

The only residents of this abandoned housing development full of identical castles are stray cats and dogs.

The birthplace of the Japanese idiom "wet clothes" meaning “false accusation."

Don't get it twisted: This is the oldest pretzel bakery in the United States.

Former meatpacking facility turned vertical farm and sustainable business complex.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.