Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

travel destination photography horizontal colour image outdoors day unesco unesco world heritage site no people national park non urban scene landscape physical geography scenics north america united states of america wyoming yellowstone national park steam heat geothermal geology water hot spring thermal pool extreme terrain dramatic landscape elevated view river cloudy sky famous place international landmark natural landmark american culture places of interest usa us united states american north american colour color image color outdoor outside tourist destination travel nobody no one no one topography scenery scenic scene scenes picturesque unesco world heritage sites world heritage site world heritage sites typically american traditional culture tradition traditional traditionally american