In my wanderings on the internet, I sometimes run across some pretty cool things, and this is one of them: a world map that can be adjusted for sea level increases. You can set it for anything up to a 14 meter raise (approximately 46 feet) and explore. Some interesting things happen when you do stuff like that — the Gulf of California actually reaches California, for one, and the Mall in Washington starts to fill up. It’s one of those things you could play with for hours if you’re a fan of geography and stuff of that sort. I read somewhere once that if all the world’s ice caps melted the sea level would rise by about 600 feet — I’d love to see it adjustable up as far as would be possible (I’m fairly sure that where I live in central Pennsylvania would be basically beachfront property). Even without that feature though, it’s still a lot of fun to play with.