One artist's love letter to his city and its citizens plays out across dozens of bright murals painted on the sides of decrepit buildings.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

In which a local geological marvel becomes a quaint roadside attraction.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

The oldest surviving botanic garden in the United States.

This little museum in the town where zombies were born celebrates the living dead.

This little-known collection holds everything from "Dracula" notes, to the manuscript of "Ulysses," to the forged works of Shakespeare.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

A park full of outsider art, created by college students studying outsider art.

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

This permanent exhibition celebrates the finest of our heartless automatons both real and fictional.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

A stone arch leads to a cavernous 1930s spring house tucked away in the Pennsylvania woods.