Morning Glory Pool in Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

travel destination photography horizontal colour image morning glory pool upper geyser basin 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 green yellow steam heat high angle view morning glory thermal pool no people outdoors usa us united states american north american colour color image color outside travel destinations travel nobody no one no one high angle elevated view view from above looking down topography scenery scenic scene scenes the natural world natural beauty unesco world heritage sites unesco world heritage site world heritage sites