Beanie Wells does local radio. In his opinion, teams should make it as unpleasant as possible for the visiting team. That goes on from HS all the way on up, and is just part of the deal.
That said, he declared Iowa's was the nicest, in spite of the fact it was pink.
He said in 2007, Michigan cut off the electricity and clogged three of the toilets before OSU showed up. They had to plunge the commodes themself before they could use them.
Apparently Purdue's was out in some sort of a shed.