Map of the Internet
Wellington Grey writes "Author of the popular webcomic xkcd has put up a hand made map of the internet as today's comic. He also has an interesting blog entry detailing some of the work that went into it, such a pinging servers and creating a method of fractal mapping to display related regions as contiguous sections on the grid." The drawing is pretty damn impressive; somebody get on making that thing a giant wall poster so I can paper over Taco's office door.
That's a Peano Curve if anyone wants to know. : http://en.wikipedia.org/wiki/Space-filling_curve