“The world has changed dramatically over the past 500 years, albeit not quite as dramatically as how we see the world. That’s just what’s on display at the David Rumsey Map Collection, whose more than 131,000 historical maps and related images are available to browse (or download) free online. Since we last featured it here on Open Culture, the collection has added at least 40,000 items to its digital holdings, making it an even more valuable resource for not just understanding how humanity has viewed the world throughout the ages, but how we’ve imagined it — and, for that matter, how we’ve imagined other worlds from Mars to Narnia to Krypton…”