At the NC State Zoo, we found The Ice Cave which is where the polar bear lives. He's got at least three main sections and it took us forever to find him as I think there's only one polar bear there currently.
He was over near a section called Piper's Den. It was hot that day and I wasn't surprised he was in the water.
He kept dunking his back and doing the same thing over and over again. I was truly surprised they don't keep him in a dome that's at least 50 degrees Fahrenheit (10C) all the time.