New York circa 1908. "Exhibit, International School of Aeronautics." 8x10 glass negative, George Grantham Bain Collection. View full size.

November 1908. Chester, South Carolina. Tommy Ashville (smaller boy), two years in Wylie Mill. "Specks I'm about 11." Arthur Shelly, eight years in mill, 14 years old. Other boys agreed he had been in mill eight years. Photograph and caption by Lewis Wickes Hine. View full size.

Washington, D.C., 1922. "1859 California Street." National Photo Co. glass negative. (Update: This house is on the market for $1.55 million.) View full size.

Another shot of Elinor McNeir from her 1933 portrait sitting at the Harris & Ewing studios in Washington. 5x7 glass negative. View full size.

Washington, D.C., 1926. "National Apple Week Association float at Pan American Union." National Photo Company Collection glass negative. View full size.

New York, July 16, 1914. "Martha Hogstedt, Elsie Sultan, Edna Cole. Women's race." The top three finishers (from left, 1-2-3) of the National Women's Life Saving League five-mile swim from Rockaway Inlet to Brighton Beach. 5x7 glass negative, George Grantham Bain Collection. View full size.

December 1940. Brockton, Massachusetts. "Men and a woman reading headlines posted in window of Brockton Enterprise newspaper office on Christmas Eve." 35mm Kodachrome transparency by Jack Delano. View full size.