Girard Point Bridge is another stunning attraction that you can visit from National Park, New Jersey. Opened in 1973, Girard Point Bridge is built across the Schuylkill River in Philadelphia. The construction of this double-decked cantilevered truss bridge started in the year 1968 while it was renovated two times in the years 2010 and 2011 respectively. While the bridge itself is a brilliant work of architecture, it offers beautiful views of the city from above.