The graffitied ruins stand hidden within the Pennsylvania woods.

According to local myth this cemetery is half evil spirits, half good—split down the middle.

Behold the rickety wooden glory of the world's oldest operating roller coaster.

These disused steel furnaces are now haunting ruins that may one day be a national park.

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

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

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

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

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

The internal railway of one of the biggest steel plants in America has been transformed into a linear park with unique industrial views.

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

The headquarters of the Fraternitas Rosae Crucis, complete with Rosicrucian pyramids, all in the Pennsylvania woods.

The house that Frank Lloyd Wright "(shook) out of his sleeve at will" at the age of 86.

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

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

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

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

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

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

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.

Huge masonic hall in Philadelphia with lavishly themed rooms.

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