Site One of the Manned Spacecraft Center in Houston, Tex., is seen, May 31, 1967. (AP Photo)

The twin towers of New York's World Trade Center frame the Brooklyn Bridge on the day of the span's 100th anniversary, May 24, 1983. The bridg…

This is a night view of New York's Brooklyn Bridge, which will celebrate its 100th anniversary, seen May 22, 1983. It's anniversary is May 24.…

Bill Gaure, maintenance worker on the Golden Gate Bridge in San Francisco, nears the top of the north tower after nearly a half-mile uphill hi…

This is excavation at Lafayette Street, then known as Elm Street, near Pearl Street, for New York's subway line, seen May 6, 1901. (AP Photo)

This unusual camera angle presents a wide view of New York's Fifth Avenue and buildings as the St. Patrick's Day moves uptown in New York, Mar…

A group of women look at trinkets displayed by an outdoor vendor in West Beirut, Dec. 17, 1982. (AP Photo)

This is a view of the rear of the shield at Canal Street in lower Manhattan, N.Y., and part of the tunnel ring where sandhogs, as excavation w…

New York cabbie Anthony Magni cleans road dirt from a sticker on the front fender of his car, July 12, 1971. Cabbies in New York, who once had…

Snarled traffic near the entrance of the Holland Tunnel in lower Manhattan, New York, is seen at the start of the Independence Day long weeken…