Prompt
"Generate an image of a scenic highway stretching across various landscapes, representing U.S. Route 6, also known as the Grand Army of the Republic Highway, with a vintage road sign and a map of the United States in the background highlighting the route's path through California, Nevada, Utah, Colorado, Nebraska, Iowa, Illinois, Indiana, Ohio, Pennsylvania, New York, Connecticut, Rhode Island, and Massachusetts, from its eastern terminus in Provincetown, Massachusetts to its former western terminus in Long Beach, California, now Bishop, California, in a nostalgic and retro style."