We've been driving by a place called Bear Country USA for the past two weeks and finally visited. It's a drive through wildlife park on the highway to Mt. Rushmore. Basically you stay in your vehicle and drive through the separate habitats.
There were Elk, Big Horn Sheep, Wolves, Mountain Goats and lots of bears. At one point we were in a very large enclosure with 50 or 60 bears. Enjoy the photos.