Philadelphia kicked off the countdown to America's 250th anniversary with the spectacular 'Independence Illumination' drone show over the historic Independence Hall, the birthplace of the United States.

As America gets ready to celebrate its 250th birthday, Congress is taking a road trip back to the place where it all began — Independence Hall in Philadelphia. Led by…

Philadelphia kicked off the countdown to America's 250th anniversary with the spectacular 'Independence Illumination' drone show over the historic Independence Hall, the…