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 two people national park full length north america united states of america wyoming yellowstone national park steam heat geothermal geology water non urban scene hot spring geyser extreme terrain dramatic landscape walkway wood material leisure lifestyle tourism tourist men women side view reflection walking mist warm clothing curved 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 misty fog foggy reflecting reflected unesco world heritage sites world heritage site world heritage sites typically american traditional culture tradition traditional traditionally american tourists holiday maker holiday makers on holiday on vacation