Beautiful views of the surrounding hills and birds of prey can be found at this sanctuary.

One of the first commercially successful anthracite-powered iron-making operations in North America.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

Catch a ride through the Pennsylvania countryside on this historic narrow-gauge railroad.

Hidden behind an empty field resides this early 19th-century cemetery.

These unique rock formations were created during the Ice Age.

Metal monsters made from repurposed materials lurk alongside this Pennsylvania road.

Considered by many to be a local landmark and treasure.

Hidden in the hills of Western Pennsylvania lies one of the best-kept ghost towns in America that you can legally visit.

An abandoned incline railway site is now a green space with six acres of trails connecting hilltop neighborhoods.

A museum dedicated to the history of electric interurban transit near the home of the first electric trolley system in the United States.

Construction uncovered this trove of fossils, which visitors are welcome to add to their own collections.

Abandoned blast furnaces are an enduring reminder of Scranton's once booming iron business.

An underground blaze turned this village into a ghost town.

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

A historic coal mine that doubles as a museum and tourist attraction.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

A well-preserved relic of the industrial age steel and iron works that dotted West Virginia.

A cult archaeology conspiracy theory claims these West Virginia petroglyphs were written by Irish monks in Ogham.

One of the few surviving examples of the first lock and dam system built on the Ohio River.

The isolated final resting place for perished coal miners.

An abandoned coal mine reached by a steep hike.

A melancholy guardian doubles as a judicious godmother to this small town cemetery.

Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.