Link .Library of Congress. John Margolies Roadside America Photograph Archive

The John Margolies Roadside America Photograph Archive is one of the most comprehensive documentary studies of vernacular commercial structures along main streets, byways, and highways throughout the United States in the twentieth century. Photographed over a span of forty years (1969-2008) by architectural critic and curator John Margolies (1940-2016), the collection consists of 11,710 color slides (35mm film transparencies). 
. Frequent subjects include restaurants, gas stations, movie theaters, motels, signage, miniature golf courses, and beach and mountain vacation resorts