Palette Spring, Travertine Terraces, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

photography colour colour image color color image horizontal horizontal image outdoors outside nobody no one no one travel travel destination travel destinations tourist destination hot spring geothermal palette spring travertine terraces mammoth hot springs yellowstone national park unesco unesco world heritage site world heritage site wyoming usa us united states united states of america north america american north american tree scenics scenic scene scenes scenery day steam rock rocky white colour rock formation landscape landscapes ethereal atmospheric atmosphere