A ceramic-tiled room at the Seelbach Hotel said to have secret tunnels used by Al Capone and a crowd that helped inspire F. Scott Fitzgerald's 'The Great Gatsby.'

Mythical beasts symbolizing the city of Tokyo guard a historic bridge.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

This adorable birdlike police box is designed based on a play on words.

There’s a hidden military meme engraved on the World War II Memorial.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

To avoid the demolition costs this abandoned drawbridge was simply left in the up position.

The original "capsule building" is a masterpiece of Metabolist architecture.

The world's largest drain sits below the city of Kasukabe, Japan.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.