closeup of giant geyser, the second tallest geyser of the world. upper geyser basin, yellowstone national park

above active america attraction basin beautiful beauty bijou catfish close closeup colorful cone crater erupting eruption erupts feature feet geological geothermal geyser geyserite giant giantgeyser giantgroup group hiking hot landscape large mastiff national nature old outdoors park platform scalding scenery scenic splashing sporadic spring steam steaming tall tallest thermal