Gen. Dwight Eisenhower leans out of the back of his special train to grasp the hand of a well-wisher as his train stopped in Emporia, Kansas, …

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

First lady Hillary Rodham Clinton discusses the Clinton administration's health care reform while addressing the Service Employees Union in Wa…

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.…

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)

Pres. Franklin D. Roosevelt is seen, seated, with the new Federal Reserve Board, in Washington, Feb. 3, 1936. From left to right, standing: Jo…

Jim Means holds up a sleepy Punxsutawney Phil at daybreak, Feb. 2, 1980, in Punxsutawney, Penn., in front of a crowd of anxious people. The gr…

Jim Means holds up a sleepy Punxsutawney Phil at daybreak, Feb. 2, 1980, in Punxsutawney, Penn., in front of a crowd of anxious people. The gr…

President Franklin D. Roosevelt salutes the flag during a flag-raising on the main street of Warm Springs, Ga. in honor of the president, Dec.…

Members of the U.S. 7th Division move up the road leading the Hyesanjin, near the Manchurian border in North Korea, Nov. 27, 1950. (AP Photo/C…