Lone observer watches Grand Geyser erupt, 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 non urban scene united states of america north america yellowstone national park wyoming natural landmark dramatic landscape erupting heat spraying geology power in nature water motion action physical pressure steam geyser extreme terrain upper geyser basin grand geyser hot spring incidental people scale majestic nature spray places of interest