Peek through the gates at this oasis from the city, full of Old English charm.

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

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

A miniature rainforest is growing inside of a Midtown Manhattan office building.

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

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

A recently abandoned psych ward at the end of Sanatorium Road.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

The remains of an old sawmill, gristmill and the surrounding industry dating back to the 18th century.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

One of the most well-preserved temples of ancient Egypt.

An ancient city exhumed from the depths of the ocean.

Castro's communist ice cream mothership has been serving five-scoop "salads" for over 50 years.

Prehistoric history as seen through the lens of an outsider artist.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

The forgotten remnants of a land-to-sea cable car that was once unique in the world.

The former home of Dutch anthropologist Bert Flint now houses a collection of Berber art and artifacts.

A mud brick kasbah with a history of lavishness and traitorship.

The largest cactus farm in Africa.

An abandoned horror film set sits eerily along a highway through Hollywood's "door to the desert."

The other side is actually green.

Mosaics, storks, and brothels—this ancient city has it all.