It was pretty sweet, especially at night.  I was in there running around for 3 hours.  They give you a map, but they have to because it's literally impossible without it.  You wouldn't have a chance.  Trust me I tried.
http://www.youtube.com/watch?v=_4lUT1SGXLI
                
                
            http://www.youtube.com/watch?v=_4lUT1SGXLI
 


