Bull elk near Firehole River, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

animals bull elk caribou color image copy space day elk environment firehole river full length horizontal national park nature nobody north america one animal outdoors photography remote river travel travel destinations unesco world heritage site united states walking wyoming yellowstone yellowstone national park america american americas animal color colour daytime full body isolation negative space outside park seclusion stepping us usa united states of america us usa walk water white space wy