Old City is a neighborhood in Center City, Philadelphia, Pennsylvania, United States, near the Delaware River waterfront. It is home to Independence National Historical Park, a dense section of historic landmarks including Independence Hall, the Liberty Bell, the First Bank of the United States, the Second Bank of the United States, and Carpen…Old City is a neighborhood in Center City, Philadelphia, Pennsylvania, United States, near the Delaware River waterfront. It is home to Independence National Historical Park, a dense section of historic landmarks including Independence Hall, the Liberty Bell, the First Bank of the United States, the Second Bank of the United States, and Carpenters' Hall. It also includes historic streets such as Elfreth's Alley, dating back to 1703.