Colourful thermal features, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

travel destination photography colour image horizontal unesco world heritage site national park outdoors day landscape scenics physical geography beauty in nature no people non urban scene united states of america north america yellowstone national park wyoming natural landmark dramatic landscape geyser extreme terrain upper geyser basin steam water reflection tree heat geology nature places of interest