West Thumb Geyser Basin in 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 background people incidental people people in the background travel travel destination travel destinations tourist destination hot spring geothermal west thumb geyser basin 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 scenics scenic scene scenes scenery day rock rocky landscape landscapes nature natural natural phenomena geothermal landscape national park