Collection of trolley cars in the woods represent one man's attempt to preserve transportation history.

Memorializing an American tragedy of massive proportions.

An abandoned stretch of highway, deteriorating next to the operational one.

This collection honors the iconic, and proudly American lighter that just won't quit.

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

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

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

Dozens upon dozens of boulders engraved with scripture tell the story of one man's troubled life.

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

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

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

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

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

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

A hidden piece of Altoona's railroad history in a long-forgotten abandoned town.

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