Philadelphia 4th of July Grand Finale Fireworks
Lots of events scheduled June 24th through July 4, 2013, including parades, concerts, food, and fun! Check the website for the complete schedule. Fireworks are above the Museum of Art, and should be visible all over the area.
Note: I am not affiliated with this event, I only list them; if you have a specific question, please use the contact information provided to get in touch with them directly