Crested Pool; hot spring; 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 cloudy sky blue non urban scene united states of america north america yellowstone national park wyoming natural landmark dramatic landscape geyser extreme terrain upper geyser basin thermal pool hot spring pool power in nature tree forest nature places of interest