1864. "Chattanooga, Tennessee. Adams Express office and the Crutchfield house with Cameron Hill in the distance." Photographer unknown. View full size.

1864. Chattanooga, Tennessee. "Boxcars and depot with Federal cavalry guard beyond. From photographs of the War in the West. Battle of Chattanooga, September-November 1863. Photograph probably taken the following year, when Chattanooga was the base for Sherman's Atlanta campaign." Wet plate glass negative, half of stereo pair, photographer unknown. View full size.

1864. "Nashville. Railroad yard and depot with locomotives; Tennessee Capitol in the distance. From photographs of the War in the West: Hood before Nashville. Continuing his policy of the offensive at any cost, Gen. John B. Hood brought his reduced army before the defenses of Nashville, where it was overthrown by Gen. George H. Thomas on December 15-16, 1864, in the most complete victory of the war. If the date borne on this photograph is correct, it was taken in the course of the battle." Wet plate glass negative by George N. Barnard. View full size.

March 1943. "Amarillo, Texas, general view. Santa Fe R.R. trip." 4x5 Kodachrome transparency by Jack Delano for the OWI. View full size.

Chicago, April 1943. "General view of part of the South Water street freight depot of the Illinois Central Railroad. Chesapeake & Ohio R.R. caboose." 4x5 Kodachrome transparency by Jack Delano for the OWI. View full size.

Washington, D.C., circa 1919. "Union Station from air." Something special seems to be happening down there. National Photo Co. Collection. View full size.

Atlanta, 1864. "Federal Army wagons at railroad depot." And maybe Scarlett O'Hara in the distance. Wet plate negative by George N. Barnard. View full size.

August 1862. "Culpeper Court House, Virginia. Railroad depot." Photographs from the main Eastern theater of war, Bull Run, second Battle of Bull Run. Wet plate negative, half of stereo pair, by Timothy O'Sullivan. View full size.

"Union Station tracks, Washington, circa 1920." National Photo Company Collection glass negative. View full size.

March 1943. "Santa Fe R.R. line leaving Cadiz, California. This town is a junction point with a branch going to Phoenix." View full size. 4x5 Kodachrome transparency by Jack Delano for the Office of War Information.

The Brooklyn Bridge Promenade and Manhattan Terminal in 1907 amid a forest of billboards facing the trains. The domed structure is the New York World building. Detroit Publishing Company glass negative. View full size.

December 1908. Dillon, South Carolina. Johnnie, works at Maple Mills. 8 years old. Said "Ain't got no last name" when asked for it. Beginning to "help sister spin." View full size. Photograph and caption by Lewis Wickes Hine.

"Southern Railway, interior of car," circa 1928 in or near Washington, D.C. National Photo Company Collection glass negative. View full size.

"Chicago & North Western viaduct over Des Moines River near Boone, Iowa" ca. 1902. Photo by William Henry Jackson. Detroit Publishing Co. View full size.

A glimpse at the industrial side of Washington circa 1925, labeled "Capitol Refining Co. plant." This tank farm, where the Pentagon stands today, was described at the time as being in "Relee, Alexandria County, just south of the highway bridge." National Photo Co. Collection glass negative. View full size.