Google maps 8bit quest mode.  A setup for 4/1 perhaps?
Try going to 0.00,0.00 and zoom in.<p>(spoilers warning)<p>This is what you get: <a href="http://i.imgur.com/JJxGn.png" rel="nofollow">http://i.imgur.com/JJxGn.png</a><p>There's also another one in a deeper zoom level.