"Cypress Gardens, Fla. Visited April 5, 1957." From a new set of found 35mm Kodachromes. This one probably purchased in the gift shop. View full size.

Washington. D.C. One of six National Photo glass negatives from 1921 labeled "Krazy Kat," showing a group of college-age kids painting and smoking in the yard of what seems to be a club or restaurant. Which has a treehouse. View full size.

1924. Montgomery County, Maryland. More fun at the Elks outing at Glen Echo Park. View full size. National Photo Company Collection glass negative.

Another 35mm slide from the Kodachrome Family circa 1952. View full size.

Washington, D.C, 1921. "Kids in Park." View full size. National Photo Company.

1924. Montgomery County, Maryland. "Elks Outing, Glen Echo." View full size. 4x5 glass negative, National Photo Company Collection.

1928. Roller coaster at the Glen Echo amusement park in Montgomery County, Maryland. View full size. National Photo Company Collection.

April 1943. "Chicago & North Western R.R. Tracks leading into the freight house at Proviso yard. This is said to be the largest covered freight house in the world." View full size. 4x5 Kodachrome transparency by Jack Delano for the OWI.

August 1864. Petersburg, Virginia. "Military telegraph operators at headquarters." Photos from the main Eastern theater of war, the siege of Petersburg, June 1864-April 1865. Wet plate glass negative from Civil War photographs compiled by Milhollen and Mugridge. View full size.

1926 or 1927. Washington, D.C. "H.E.F. & lamb." Herbert E. French, the proprietor of National Photo. View full size. National Photo Company.

1921. "Dog cemetery, Miss Logan's dog." View full size. National Photo Co.

Summer 1939. Butte, Montana. "High school band parading up Montana street." View full size. 35mm nitrate negative by Arthur Rothstein for the FSA.

Circa 1952, possibly in Indiana. Another image from Set 2 of found 35mm Kodachromes. Note the Cadillac-inspired tacked-on tailfins on the Ford, which we'll tentatively identify as a 1950 Crestliner. View full size.

October 1908. Gastonia, North Carolina. Boy from Loray Mill. "Been at it right smart two years." View full size. Photograph by Lewis Wickes Hine.

April 1913. Lindale, Georgia. "Luther Dories. Been doffing some months in Spinning Room #2, Massachusetts Mills. Said 12 years old, but very doubtful. Father and brother work." View full size. Photograph by Lewis Wickes Hine.