Initially, I just wanted to map parks from the US but then I got carried away. The website also allows previewing of Wikipedia articles about each park.<p>Data about national parks come from Wikipedia. I'm sure it's missing quite a few less popular parks. Let me know if you find something missing.<p>It's built with Elixir/Phoenix, TypeScript, and MapLibre. It's just a static site for now but I'm planning to add user accounts and community aspects to it. I think it will be cool to allow rating, reviewing, and uploading user photos.