The famous bell was secreted away and hidden in a church in Allentown during the British occupation of Philadelphia.

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

A former plant in one of the hubs of U.S. steelmaking has been turned into this museum celebrating the history of American industry.

One of the world's oldest continually operating bookstores.

A "house to which to flee" for settlers in colonial Pennsylvania.

A fascinating community art piece created by students, teachers, and noted Philadelphia artist Isaiah Zagar.