Hot spring, dwindling eruption, geyser, steam against a blue sky, Old Faithful, Upper Geyser Basin, Yellowstone National Park, Wyoming, Western United States, USA, United States of America
Hot spring, water fountain, eruption, geyser, Sawmill Geyser, Castle-Grand Area, Upper Geyser Basin, Yellowstone National Park, Wyoming, Western United States, USA, United States of America
Hot spring, clear water, Perforated Pool, West Thumb, Yellowstone Lake in the background, Yellowstone National Park, Wyoming, Western United States, USA, United States of America, North America
