Old Faithful geyser, Emerald Spring, the magnificent canyons and falls of the Yellowstone River: these and other sites, familiar to millions of visitors who travel through Yellowstone National Park each year, have been an inspiration to generations of artists. Albert Bierstadt, Thomas Moran, Frederic Remington, Louis Comfort Tiffany, and dozens of other artists braved difficult conditions to capture the splendors of Yellowstone in many media, from...