Ruins in Pennsylvania

These ruins of an octagonal stone school that was later used as an A.U.M.P. church exemplify a popular school design from the 1830s.

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

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

The graffitied ruins stand hidden within the Pennsylvania woods.

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

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

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

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

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

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

A modern ghost town whose inhabitants were driven away by the growth of nuclear power.

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

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

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

World's first "penitentiary," meant to be humane, drove men insane.