Map posters are easy to come by for major cities. But if you want one for a less densely populated area of the world, you might be out of luck. Mapiful can help. Select anywhere in the world, and get a streamlined black and white poster, based on OpenStreetMap data.
After you have your location, pan and zoom to get the exact area you want, and then customize the labeling and choose between four simple themes.
Posters not your thing? Maybe you want map clothing.