These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

A former major munitions plant that has been converted into a sprawling art space.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

Lie in a hammock where George Washington stood.

An enormous, inside-out glass globe built in 1935.

This shifting North Carolina sand dune is an odd little desert surrounded by oceanic forest life.

The maritime museum that boasts the largest nautical library in the western hemisphere.

Single runway interrupted by a busy road that cuts across its middle.

Historic medieval fortified city in southwest France.

This massive fiberglass Gulliver turns every visitor into a Lilliputian.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

A beautiful maze marks where three countries meet.

The most accurate timepiece in the world.

At 207 feet, one of the world's longest continuous escalators.

The site of the climactic scene from the classic horror film is now a historic landmark.