It runs from Chicago to LA and has inspired TV series, songs, and all sorts of rockabilly-themed merch. Since its completion in 1938, Route 66 has served as a cornerstone of Americana, connecting two swaths of the nation while creating a culture all its own —one hinged on the beloved pastime of the all-American road trip. 

From roadside attractions to the sights and lights of the southwest United States, here are 29 old-school photos from the heyday of Route 66.