House of vintage taxidermy and Steampunk sculptures in a quiet Pittsburgh neighborhood.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

Where beautiful signs live on forever.

A psychological self-portrait in the form of a giant, segmented head.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

The world's largest fully steerable radio telescope.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

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

Less a museum than a bizarre fantasy world created by artists and engineers.

A real flying saucer, contracted by the U.S. Air Force.

A miniature world of concrete and stone in Springfield, Ohio.

America's post-nuclear-attack chambers of Congress.