Pennsylvanian mass grave and possibly mass murder.

This Pennsylvania cave holds evidence of the oldest known inhabitants of North America.

Pennsylvania's own Roswell-style UFO mystery.

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

The Home and murder site of the witch of Rehmeyers Hollow.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

The ruined remains of a coal mining ghost town are hidden within the woods.

America's first serial killer rests in anonymity.

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

The graffitied ruins stand hidden within the Pennsylvania woods.

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.

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

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.