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

This recreation of a 19th-century dime museum is full of oddities.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.