Welcome the land of fire and ice. Moon Yellowstone and Grand Teton shows you what you need to know to plan the perfect trip for you. Explore the geysers and vivid cauldrons of acid and water created by the supervolcano hidden under the mountainous greenery and alien beauty of Yellowstone National Park, and marvel at the mountainous spires of the Rockies and the glacier-smoothed lakes and canyons of Grand Teton National Park.