Pennsylvania National Heritage Areas Act This bill reauthorizes in Pennsylvania through FY2036 the Rivers of Steel National Heritage Area, the Lackawanna Valley National Heritage Area, the Delaware and Lehigh National Heritage Corridor, the Schuylkill River Valley National Heritage Area, and the Oil Region National Heritage Area. The bill eliminates the limitation on the total amount that may be appropriated for the Rivers of Steel National Heritage Area, the Lackawanna Valley National Heritage Area, and the Schuylkill River Valley National Heritage Area.