This secluded ruin was once a home for exotic plants.

The most unloved grain elevator in Brooklyn was a “Magnificent Mistake.”

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

The ruins of this Thomas-Jefferson-designed mansion have been left to crumble since the Christmas Day they burnt down.

This museum devoted to the gothic author holds such interesting ephemera as his socks and walking stick.

Giant busts of 42 U.S. presidents sit, crumbling in a field in Virginia.

The mummified relics of an American missionary.

A massive forgotten storehouse from 1913 on the Brooklyn Waterfront has a spectacular view of Brooklyn.

Some of New York's best tacos can be found in the back of an unassuming bodega in Queens.

The notorious headquarters of a corrupt political machine.

An underground magnet for ever-changing street art.

Ruins of a Carnegie family mansion on Cumberland Island.

This quirky curiosity shop takes its cues from the world's bazaars.

This kitschy tavern is also home to rare early editions of "Treasure Island."

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.

How one woman gave orphaned sculptures a new home in the city of Utrecht.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

Atop this former dutch railway office sits an interstellar work of art.

The world's largest bicycle shelter can hold more than 12,500 two-wheelers.

The giant scales in this museum can still tell if someone is one of the devil's brides just by weight.

This ancient stele gives a testimony to the presence of the Syrian sun god Elagabalus on the Roman Empire's western frontier.

What is it about mushrooms that makes people wish they lived inside of them?

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.

Inside, ancient treasures. Outside, modern contradictions.