Fort Zero

I was just browsing the minecraft forums when I came across the unbelievable Fort Zero save. This map is a ridiculous fort complete with a lava moat, mob factory, greenhouse, tree towers, cobblestone center, and a beautiful castle, check out the actual thread here:
http://minecraftforum.net/viewtopic.php?f=35&t=18278
Or throw caution to the wind and download this amazing save from right here:
http://www.mediafire.com/file/mucech43c7y5bmb/World1.zip