Bull elk searches for food beneath the snow. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4032668/photo-image-background-nature-mountainFree Image from public domain license
Fog rolling through the trees in Lamar Valley. Original public domain image from Flickr https://www.rawpixel.com/image/4032545/photo-image-background-tree-woodsFree Image from public domain license
Wolf portrait taken from a vehicle in a pullout. Original public domain image from Flickr https://www.rawpixel.com/image/4032621/photo-image-face-background-natureFree Image from public domain license
Bison group in the road near Frying Pan Spring. Original public domain image from Flickr https://www.rawpixel.com/image/4032753/photo-image-background-nature-landscapeFree Image from public domain license
Seattle, Glamour City of Washington, east meets west, far north and orient in metropolitan Seattle, U.S. gateway to Alaska… https://www.rawpixel.com/image/9700361/image-texture-arts-vintageFree Image from public domain license
Utility Building, Mammoth, Yellowstone National Park (P.W. Project F. P. 347),Sheet 1,American Bridge Company, Minneapolis… https://www.rawpixel.com/image/4032734/photo-image-background-blue-natureFree Image from public domain license
A red fox prowls for voles, hidden beneath the snow, in Yellowstone National Park in the western U.S. state of Wyoming.… https://www.rawpixel.com/image/422046/fox-the-snowFree Image from public domain license
A red fox prowls for voles, hidden beneath the snow, in Yellowstone National Park in the western U.S. state of Wyoming.… https://www.rawpixel.com/image/434437/fox-the-snowFree Image from public domain license
Steamy sunrise over Roaring Mountain. Original public domain image from Flickr https://www.rawpixel.com/image/4032761/photo-image-background-moon-natureFree Image from public domain license
Post sunset color after Winter Solstice Sunset. Original public domain image from Flickr https://www.rawpixel.com/image/4032731/photo-image-background-moon-treeFree Image from public domain license
Morning steam on the Madison River. Original public domain image from Flickr https://www.rawpixel.com/image/4032539/photo-image-background-bird-natureFree Image from public domain license
Frosty morning in the Lower Geyser Basin. Original public domain image from Flickr https://www.rawpixel.com/image/4032732/photo-image-background-tree-woodsFree Image from public domain license
Hoar frost and fog at Tangled Creek. Original public domain image from Flickr https://www.rawpixel.com/image/4032575/photo-image-background-tree-woodsFree Image from public domain license
Minerva Terrace, Yellowstone (1872) watercolor and gouache by Thomas Moran. Original public domain image from the National… https://www.rawpixel.com/image/8543972/image-aesthetic-watercolor-artFree Image from public domain license
Bison bull, Blacktail Deer Plateau. Original public domain image from Flickr https://www.rawpixel.com/image/4039515/photo-image-background-tree-woodsFree Image from public domain license
Foggy Sunrise, Blackail Deer Plateau. Original public domain image from Flickr https://www.rawpixel.com/image/4039494/photo-image-background-light-treeFree Image from public domain license
Backcountry skiing in the Gallatin Mountains, USA. Original public domain image from Flickr https://www.rawpixel.com/image/4039508/photo-image-background-cloud-personFree Image from public domain license
The moon framed by the saddle of Electric Peak, USA. Original public domain image from Flickr https://www.rawpixel.com/image/4032581/photo-image-background-moon-treeFree Image from public domain license
Filamentous bacteria at Mammoth Hot Springs. Original public domain image from Flickr https://www.rawpixel.com/image/4039404/photo-image-background-texture-abstractFree Image from public domain license
Female elk in snow, Mammoth Hot Springs. Original public domain image from Flickr https://www.rawpixel.com/image/4039510/photo-image-background-woods-forestFree Image from public domain license
Double tree and sun shining through the morning fog. Original public domain image from Flickr https://www.rawpixel.com/image/4032622/photo-image-background-tree-natureFree Image from public domain license
Smoke colors the sunrise over the Beartooth Plateau. Original public domain image from Flickr https://www.rawpixel.com/image/4039446/photo-image-background-light-treeFree Image from public domain license
Wapiti lake pack on a bison kill. Original public domain image from Flickr https://www.rawpixel.com/image/4032537/photo-image-background-woods-forestFree Image from public domain license
Bull elk, Blacktail Deer Plateau. Original public domain image from Flickr https://www.rawpixel.com/image/4032721/photo-image-background-nature-mountainFree Image from public domain license
Rainbow over the Gardner River Canyon near Mammoth. Original public domain image from Flickr https://www.rawpixel.com/image/4032706/photo-image-background-tree-rainbowFree Image from public domain license
Bull elk, Mammoth Hot Springs, USA. Original public domain image from Flickr https://www.rawpixel.com/image/4039414/photo-image-background-nature-naturalFree Image from public domain license
Last light on flanks of Bison Peak. Original public domain image from Flickr https://www.rawpixel.com/image/4032559/photo-image-background-tree-forestFree Image from public domain license
Raven calling along the Firehole River. Original public domain image from Flickr https://www.rawpixel.com/image/4032690/photo-image-background-black-birdFree Image from public domain license
Thunderstorm at sunset, Swan Lake Flat. Original public domain image from Flickr https://www.rawpixel.com/image/4039448/photo-image-background-cloud-natureFree Image from public domain license
Sunrise through lodgepole pines near Nymph Lake. Original public domain image from Flickr https://www.rawpixel.com/image/4032728/photo-image-tree-woods-forestFree Image from public domain license
Sunrise drive in Lamar Valley by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4225759/photo-image-light-public-domain-natureFree Image from public domain license
Bobcat along the Madison River. Original public domain image from Flickr https://www.rawpixel.com/image/4039407/photo-image-background-nature-naturalFree Image from public domain license
Two-bedroom housing example by Lynn Chan. Original public domain image from Flickr https://www.rawpixel.com/image/4225704/illustration-image-public-domain-houseFree Image from public domain license
Aurora borealis, Upper Geyser Basin. Original public domain image from Flickr https://www.rawpixel.com/image/4039503/photo-image-background-green-spaceFree Image from public domain license
Emerald Spring steams on a cold winter morning. Original public domain image from Flickr https://www.rawpixel.com/image/4032628/photo-image-background-nature-mountainFree Image from public domain license
Enjoying the Milky Way, Mammoth Hot Springs. Original public domain image from Flickr https://www.rawpixel.com/image/4039521/photo-image-background-star-personFree Image from public domain license
Winter storm night driving conditions. Original public domain image from Flickr https://www.rawpixel.com/image/4032654/photo-image-background-light-natureFree Image from public domain license
Sun shining through a tree and steam at Norris Geyser Basin. Original public domain image from Flickr https://www.rawpixel.com/image/4032741/photo-image-background-light-treeFree Image from public domain license
Lone Bison silhouette in Hayden Valley. Original public domain image from Flickr https://www.rawpixel.com/image/4032773/photo-image-background-nature-mountainFree Image from public domain license
Geography: the Grand Canyon, Yellowstone Park. Coloured lithograph after T.H. Thomas. https://www.rawpixel.com/image/13967495/image-art-mountain-public-domainFree Image from public domain license
Bighorn sheep, Lamar Valley, USA. Original public domain image from Flickr https://www.rawpixel.com/image/4039427/photo-image-background-nature-naturalFree Image from public domain license
Milky way over Silex Spring runoff. Original public domain image from Flickr https://www.rawpixel.com/image/4032634/photo-image-background-stars-woodsFree Image from public domain license
Hydaspe butterflies, Mammoth Hot Springs. Original public domain image from Flickr https://www.rawpixel.com/image/4039495/photo-image-background-flower-plantFree Image from public domain license
Elk sparring near the North Entrance. Original public domain image from Flickr https://www.rawpixel.com/image/4032546/photo-image-background-nature-mountainFree Image from public domain license
Beautiful day in the lodgepole forest. Original public domain image from Flickr https://www.rawpixel.com/image/4032655/photo-image-background-light-treeFree Image from public domain license
Foggy Sunrise, Blackail Deer Plateau. Original public domain image from Flickr https://www.rawpixel.com/image/4039467/photo-image-background-light-treeFree Image from public domain license
Skiers watch bison from the road, Lower Geyser Basin. Original public domain image from Flickr https://www.rawpixel.com/image/4039499/photo-image-background-people-natureFree Image from public domain license
Sunrise filters through the steam of Roaring Mountain. Original public domain image from Flickr https://www.rawpixel.com/image/4032716/photo-image-nature-sunlight-landscapeFree Image from public domain license
Bald Eagle Perched along the Yellowstone River by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4032656/photo-image-background-tree-birdFree Image from public domain license
Great horned owl in Fort Yellowstone, USA. Original public domain image from Flickr https://www.rawpixel.com/image/4032653/photo-image-background-tree-birdFree Image from public domain license
Hikers take in the views from Buffalo Plateau. Original public domain image from Flickr https://www.rawpixel.com/image/4032577/photo-image-cloud-tree-peopleFree Image from public domain license
Newly born bison calf and mother in Lamar Valley. Original public domain image from Flickr https://www.rawpixel.com/image/4032717/photo-image-background-baby-natureFree Image from public domain license
American bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/433750/bisonFree Image from public domain license
Coyote hunts along the shore of Yellowstone Lake, USA. Original public domain image from Flickr https://www.rawpixel.com/image/4032644/photo-image-background-nature-autumnFree Image from public domain license
Sunset timelapse from Artist Point. Original public domain image from Flickr https://www.rawpixel.com/image/4032671/photo-image-face-background-phoneFree Image from public domain license
North Entrance Improvement Project: North Entracce Road. Original public domain image from Flickr https://www.rawpixel.com/image/4032561/photo-image-background-constructionFree Image from public domain license
Bull elk bugling, Mammoth Hot Springs. Original public domain image from Flickr https://www.rawpixel.com/image/4039506/photo-image-background-woods-forestFree Image from public domain license