Pittsburgh circa 1905. "Cacti, Phipps Conservatory, Schenley Park." The Devil's Pin Cushion and other visitors to Pennsylvania. 8x10 glass negative. View full size.

May 1943. "Bethlehem-Fairfield shipyards, Baltimore. Girl driver on a supply truck." Photo by Arthur Siegel for the Office of War Information. View full size.

June 1943. Arlington County, Va. "Arlington Farms, war duration residence halls. Laundry room in Idaho Hall." Photo by Esther Bubley. View full size.

Circa 1930s. "Kewpee Hotels hamburger stand." This early fast-food chain ("Hamburg / Pickle on top / Makes your heart / Go flippity-flop") got its start in Michigan in the 1920s. Location and photographer unknown. View full size.

"Boston Common, 1920. Baseball field and Beacon Hill." An aerial view from the Shorpy skybox. 4x5 inch glass negative, photographer unknown. View full size.

June 1934. "Nebraska State Capitol at Lincoln. House chamber." Note the electro-mechanical tally board, and voting controls decorated with medallions of Abraham Lincoln. Large-format negative by Gottscho-Schleisner. View full size.

1906. "Boston, Massachusetts. School Street and Parker House." Home of the eponymous buttery roll. Much interesting signage in evidence, including two giant SIGNS signs. 8x10 inch glass negative, Detroit Publishing Co. View full size.

        Using the Internets and clues provided by the photo, you should be able to figure out who this is! It took me about 15 minutes. (SPOILER: The mustachioed gent is most likely W.V. Wolfe, proprietor of the Frederick & Washington Bus Line, advertised in the sign behind the car -- which was actually the bus.)

Washington, D.C., 1921. "Studebaker car." Surrounded by a number of colorful-looking characters. 8x6 glass negative, National Photo Co. View full size.

1906. "Shaft No. 2, Quincy copper mine, Hancock, Michigan." Whatever is going on in there, we're glad we don't have to wash the windows. View full size.

Circa 1927. "Denishawn dancers." Photographed during what seems to be a lull in the toga party. 4x5 nitrate negative by Arnold Genthe. View full size.

The Detroit River circa 1906. Steamer Tashmoo at St. Clair Flats, Michigan." 8x10 inch dry plate glass negative, Detroit Publishing Company. View full size.

Washington, D.C., 1913. "Winston Hotel car." Parked, it would seem, in front of the Hotel Winston, First Street and Pennsylvania Avenue N.W. View full size.

"Boston, Massachusetts, aerial view, 1929." Who'll be first to identify the neighborhood? 4x5 glass negative, photographer unknown. View full size.

August 1933. "Muschenheim, Carl, Mrs., child of, portrait photograph." 4x5 nitrate negative by Arnold Genthe. View full size.

Boston Common circa 1920. "Boys playing water basketball in Frog Pond." 4x5 glass negative. photographer unknown. View full size.