Do we know how to party, or what? Roll up your sleeves and get ready for the best LONG weekend ever! We celebrate Independence Day for 6 days here in Philly. Starting with free admission today, June 29 to the National Constitution Center and free hoagies on Independence Mall, and ending with the fireworks finales on July 4. Yes, TWO fireworks displays, one over the Philadelphia Museum of Art and one over the Delaware River Waterfront. For a complete schedule of events for the six days, go here.