Mammoth Hot Springs terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

travel destination photography vertical colour image mammoth hot springs yellowstone national park unesco world heritage site wyoming united states of america north america day landscape beauty in nature scenics physical geography national park geology rock rock formation geothermal natural pattern extreme terrain hot spring nature no people outdoors usa us united states american north american colour color image color outside travel destinations travel nobody no one no one topography scenery scenic scene scenes the natural world natural beauty unesco world heritage sites unesco world heritage site world heritage sites