A long enclosed walkway provides a daily free light show with hypnotic effects.

This 1920s Dutch barge is now a floating bookstore.

Where once there was a train station bathroom, there is now this German burger joint.

Historic medieval fortified city in southwest France.

World's smallest skyscraper, the product of a remarkable con.

This weird abode has inspired everything from the "House on Haunted Hill" to a robot hunter's pad.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.