This tiny cottage surrounded by railroads is the oldest surviving structure in Fairmount Park.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

Featuring the largest CinemaScope screen in Pennsylvania, this drive-in has entertained moviegoers for more than half a century.

It marks the spooky spot where the bodies of two young boys were found in the 19th century.

The graffitied ruins stand hidden within the Pennsylvania woods.

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

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

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

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

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

A quiet, gothic haven nestled between Pittsburgh's Squirrel Hill and Point Breeze neighborhoods.

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

Locals call this magical moss-covered walkway the "Emerald Path."

This secluded walking trail is a hidden gem of a Pittsburgh park.

The abandoned coal loading dock is a canvas for unsanctioned art.

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

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

This Old Testament garden features 100 plants from biblical times.

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

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

The oldest surviving botanic garden in the United States.

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.

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

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