Route 66 Cafe A reminder of the U. S.'s great cross-country highway is a great subject for a 17-change Spot the Differences puzzle. Copyright © 2002-2024 All-Star Puzzles All rights reserved

Credit: The Lyda Hill Texas Collection of Photographs in Carol M. Highsmith's America Project, Library of Congress, Prints and Photographs Division. To view the original image: http://www.loc.gov/pictures/collection/highsm/item/2014633793/