The universally beloved children's television figure is interred on a high hilltop in one of western Pennsylvania's oldest cemeteries.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

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.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

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

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

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

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

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

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

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

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

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

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

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

Where America's first doomsday cult awaited the end of the world.

A toxic ghost town sitting atop a massive coal fire.

Reverend Jen's unique museum/living room showcases her troll collection.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

It would take 35 firetrucks to fill this enormous glacial pothole.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.