Castle Geyser, Yellowstone National Park, Wyoming, United States of America

america basin castle geyser heritage national north park site states usa united upper world wyoming yellowstone active american colored coloured cone discoloring discolouring erupt erupting eruption eruptions exterior famous field fields format fountain fountains geothermal geyser geysers heritage hot jet known national natural nature outdoor outdoors outside park photo sediments seeing sight source sources spectacle spring steam type vapor vapour vertical water well known wells worth