Fourth of July Independence Day fireworks are seen over the Washington Monument, July 4, 2013 in Washington, DC.
Fireworks light up the Empire State Building along the Manhattan skyline during Macy's 37th Annual Fourth of July fireworks show, Thursday, July 4, 2013, in New York.
Fireworks light up the statue of Simon Bolivar during Independence Day celebrations on July 4, 2013 in Washington, DC. Independence Day celebrates the US declaring independence from Britain in 1776.
Fireworks burst over the Hatch Shell during the finale of the Boston Pops Fourth of July Concert in Boston, Thursday, July 4, 2013.
Fireworks light up the Empire State Building along the Manhattan skyline during Macy's 37th Annual Fourth of July fireworks show, Thursday, July 4, 2013, in New York.
Fireworks light the sky over the U.S. Capitol, left, the Washington Monument and the Lincoln Memorial during Fourth of July celebrations, Thursday, July 4, 2013 in Washington. Surrounded by scaffolding, the Washington Monument is closed for repairs after an earthquake in 2011.
U.S. Navy Chief Petty Officer Ed Tennison kisses his wife Denise as the USS Dwight D. Eisenhower returns to Norfolk Naval Station, Va. , July 3, 2013.
The Ike returned to Norfolk after completing an unusual, split cruise that spanned almost 13 months, interrupted by a rare two-month intermission in Norfolk.
Wearing a horse mask, Sarah Keneston, 15, left, and Gabrielle LaFond, 15, dance in the rain before watching the fireworks show during the Fanfares and Fireworks celebration at the University of Florida in Gainesville, July 3, 2013.
Donna Reneau stands with a "Where's Waldo" cutout while waiting for Petty Officer 2nd Class Nathan Reneau as thee USS Hue City, with a crew of over 300 returned, to Naval Station Mayport after a six month deployment, July 3, 2013 in Jacksonville, Fla.
People dangle from the Sky Flyer ride at State Fair Meadowlands as fireworks explode in the sky in East Rutherford, N.J., July 3, 2013.
Petty Officer 2nd Class Samuel Turner holds his 5-month-old son Liam for the first time after returning with the crew of The USS Hue City to Naval Station Mayport after a six-month deployment, July 3, 2013 in Jacksonville, Fla.
A customer shops for fireworks at the San Bruno Colt Baseball fireworks stand in San Bruno, Calif., July 3, 2013.
Spectators watch the Daviess County presentation of the Independence Bank Family Freedom Fireworks Festival at Panther Creek Park in Owensboro, Ky., July 3, 2013.
Senior Chief Douglas Johannes leaves the USS Hue City dressed as Uncle Sam to distribute flags to the children on the pier as the crew returned to Naval Station Mayport after a six-month deployment, July 3, 2013 in Jacksonville, Fla.
Fireworks explode over Lackawanna County Courthouse Square during The Scrantastic Spectacular Fireworks Celebration in Scranton, Pa., July 3, 2013.
The Sky Flyer ride, left, spins at State Fair Meadowlands in East Rutherford, N.J. as fireworks explode in the sky, 3, 2013.