First there is a stop at Salt Lake City and a massive dose of theological imagery that prepares the viewer for the hellish landscape to come—a land of igneous outcroppings and noxious emissions peopled by mammals of exquisite bulk. A countryside plundered of its potatoes by behemoths who head for the hills with their bounty of starch and iron. Follow them to the heights of Yellowstone National Park and the depths of Pocatello, Idaho. Follow them if you dare!