Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

adult algae beauty color image day environment grand prismatic spring hot spring midway geyser midway geyser basin national park nature north america one person outdoors people photography remote steaming tourist travel travel destinations unesco world heritage site united states vertical walking woman wyoming yellowstone yellowstone national park america american americas color colour daytime female isolation one outside park person seclusion sightseeing steam stepping tourism us usa united states of america us usa walk water wy