A historic vaudeville theatre that shows first-run films at a bargain price.

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

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

A smaller model of the Da Vinci sculpture that took 500 years to come to life.

A park full of outsider art, created by college students studying outsider art.

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 tribute to those that perished during the American Revolution.

In use from 1742 to 1910, only flat headstones were allowed in this cemetery.

George Washington, Alexander Hamilton, and Benjamin Franklin all slept at this humble inn.