Today's xkcd comic is astounding. It's one giant panel with a never ending world that you can drag through with your cursor. It must have taken months to put this together, and the result is absolutely wonderful. Go to the website immediately, and play in this beautiful black-and-white world.
More from Gizmodo
Less to take the fun out of things and more so you can admire the sheer scope of it, someone's mapped out the full world already: