Classic images of the Twin Towers
Credit: AP
A helicopter flies past the Twin Towers of the World Trade Center in this undated file photo.
Credit: AP
The Twin Towers of New York's World Trade Center rise over the World Financial Center. (June 23, 1999)
Credit: AP
The catamaran PlayStation sails past the Twin Towers of the World Trade Center in New York Harbor. (Oct. 7, 1999)
Credit: AP
Philippe Petit, a French high wire artist, walks across a tightrope suspended between the World Trade Center's Twin Towers. (Aug. 7, 1974)
Credit: Newsday / MICHAEL E. ACH
An undated photo of the World Trade Center.
Credit: Nathan L. Mangali
An undated photo of the World Trade Center, taken from Battery City Park.
Credit: Newsday / Ken Sawchuk
Dawn breaks over the World Trade Center on the morning of March 1, 1993 as seen from Jersey City, N.J.
Credit: AP
The Manhattan skyline and the Twin Towers of the World Trade Center are shown from Jersey City, N.J. (March 2000)
Credit: Bloomberg News/Jade-Snow Moy
The New York City skyline. (July 20, 2001)
Credit: AP
The Twin Towers of the World Trade Center. (Feb. 25, 1997)
Credit: Joe Constantino
Joe Constantino's "World Trade Center," 2009, from a 1996 negative, is part of Heckscher Museum of Arts "New York, New York" exhibit in Huntington through Oct. 16. 2011.