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Spectators watch the fireworks display over the Hudson River, July 4, 2011, in New York. A portion Manhattan's west side is closed to vehicular traffic, allowing pedestrians to camp out and wait for the 40,000 shells launched after dusk from a barge on the river.
AP
Fireworks enthusiasts squeeze together for a view of The Macy's 4th of July Fireworks in Hoboken, N.J., July 04, 2011. The U.S. celebrated the 235th anniversary of the signing of the Declaration of Independence.
AP
Los Angeles Angels' players and their families watch fireworks after their baseball game against the Detroit Tigers in Anaheim Calif., July 4, 2011. The Angels won 5-1.
AP
Fireworks launched from ONEOK Freedom Fest line the Tulsa skyline and are reflected in the Arkansas River on July 4, 2011. The U.S. celebrated the 235th anniversary of the signing of the Declaration of Independence.
AP
The United States Marine Corps War Memorial, better known as the Iwo Jima Memorial, is seen in Arlington, Va., July 4, 2011, as fireworks burst over Washington, during the annual Fourth of July display. The Washington Monument and the Capitol can be seen in the distance.
AP
U.S. Marines Jenna Ahles, 20, of La Crosse, Wis., right, and Jack Eubanks, 25, of Kennesaw, Ga., kiss while fireworks explode over Washington while viewing from the Jefferson Memorial, July 4, 2011.
AP
Marciano Young, 5, plays with a sparkler before the fireworks show in Saginaw, Mich., July 4, 2011. The U.S. celebrated the 235th anniversary of the signing of the Declaration of Independence.
David Paul Morris/Getty Images
The July 4th celebratory fireworks are seen exploding in air over San Francisco Bay with San Francisco in the background, July 4, 2011.
Brendan Smialowski/Getty Images
A view of fireworks above the Lincoln Memorial, Washington Memorial and Memorial Bridge on the National Mall in Washington, D.C.
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A view of fireworks above the Washington Memorial and Memorial Bridge on the National Mall in Washington, D.C., from along the shore of the Potomac River July 4, 2011 in Arlington, Virginia.
AP Photo/John Minchillo
Spectators watch the annual Independence Day fireworks over the Hudson River, Monday, July 4, 2011, in New York. A portion Manhattan's west side was closed to vehicular traffic, allowing pedestrians to camp out and wait for the 40,000 shells launched after dusk from barges on the river.
AP Photo/PatJarrett, The News Leader
People watch the fireworks display on the banks of Lake Tams on Monday, July 4. 2011. America's Birthday Celebration at Gypsy Hill Park in Staunton, Va., was capped off with a fireworks show.
AP Photo/Dr. Scott M. Lieberman
A fan of fireworks light up a lake in Bullard, Texas to celebrate Independence day on Monday, July 4, 2011. The U.S. celebrated the 235th anniversary of the signing of the Declaration of Independence.
AP Photo/Matt Rourke
Fireworks explode over the Philadelphia Museum of Art during an Independence Day celebration Monday, July 4, 2011, in Philadelphia.