Fireworks illuminate the sky over the U.S. Capitol building and the Washington Monument during Fourth of July celebrations, on July 4, 2014, in Washington.
Reid Tate, 2, sits on the shoulders of his father, Air Force Maj. Derek Tate of Alexandria, Va., before President Barack Obama and First Lady Michelle Obama greet military families as they host an Independence Day celebration on the South Lawn at the White House.
Fireworks light up the lower Manhattan skyline during Macy's Fourth of July fireworks show in New York.
Vice President Joe Biden greets a young spectator as She marches in an Independence Day parade in Philadelphia. Biden took part in the "Celebration of Freedom" ceremony at Independence Hall in Philadelphia. The annual Fourth of July event includes music, speeches and a reading of excerpts from the Declaration of Independence.
Fireworks explode over the East River with the Manhattan skyline and Brooklyn bridge in the background as part of the 38th Annual Macy's Fourth of July fireworks in Brooklyn, New York.
President Barack Obama and First Lady Michelle Obama wave to veterans and their families and the White House staff, at an Independence Day barbecue on the South Lawn of the White House.
People wave flags as the Independence Day parade rolls down Main Street in Eagar, Ariz. The Northern Arizona town celebrates the Fourth of July annually with a parade and fireworks.
The USS Constitution fires a 21-gun salute off Castle Island on its annual turn around on Boston Harbor in Boston.
Fireworks light up the lower Manhattan skyline during the Macy's Annual Fourth of July fireworks show in New York.