Female tourist on boardwalk by the Morning Glory Pool, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

adult algae beauty boardwalk cloud color image crater day environment geology hot spring morning glory pool national park nature north america one person outdoors people photography pond remote standing tourist tourist attraction travel travel destinations unesco world heritage site united states upper geyser upper geyser basin vertical waist up woman wyoming yellowstone yellowstone national park america american americas color colour daytime female isolation one outside park person promenade seclusion sightseeing tourism us usa united states of america us usa volcanic water wy