A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

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

For decades, a bottle factory dumped their waste into these waters—now it's considered the best sea glass beach in England.

One lonely, modern pyramid has gone from corporate think tank to deserted boondoggle.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A group of artists transformed this desolate city alleyway into an outdoor gallery of street art.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

Tracks near this Texas nature site were once thought to support the Creationist belief that man and dino coexisted.

Housed in a century-old building, this museum's dedicated not just to soft drinks, but to the free enterprise system.

Hidden in the plaza next to a pizza shop is an amazing little oddities shop.

The quiet field that inspired one of the most famous songs of all time.

This library dates back to the late 17th century and was one of the first public lending libraries in England.