Scene from Yellowstone National Park's Lower Terrace, a complex of geothermal vents and hot springs that over time created… https://www.rawpixel.com/image/582733/carol-highsmiths-wyoming-photographFree Image from public domain licenseCanary Spring at Mammoth Hot Springs by Diane Renkin. Original public domain image from Flickr https://www.rawpixel.com/image/4037992/photo-image-art-painting-natureFree Image from public domain licenseMudpots and hot springs color the terrain in northwestern Wyoming's Yellowstone National Park. Original image from Carol M.… https://www.rawpixel.com/image/434430/free-photo-image-yellowstone-yellowstone-national-park-cloudFree Image from public domain licenseMudpots and hot springs color the terrain in northwestern Wyoming's Yellowstone National Park. Original image from Carol M.… https://www.rawpixel.com/image/434423/free-photo-image-yellowstone-wyoming-minerals-public-domainFree Image from public domain licenseCanary Spring, Mammoth Hot Springs by Diane Renkin. Original public domain image from Flickr https://www.rawpixel.com/image/4038193/photo-image-ocean-nature-mountainFree Image from public domain licenseHeart Spring in Upper Geyser Basinby Diane Renkin. Original public domain image from Flickr https://www.rawpixel.com/image/4038608/photo-image-nature-mountain-waterFree Image from public domain licenseOpalescent Pool, Black Sand Basinby Matt Poyner. Original public domain image from Flickr https://www.rawpixel.com/image/4038817/photo-image-tree-plant-forestFree Image from public domain licenseWest ThumbThe water level in many of the pools of the West Thumb Geyser Basin appears to have dropped since Jackson first… https://www.rawpixel.com/image/4038670/photo-image-cloud-tree-plantFree Image from public domain licenseChromatic Pool; Upper Geyser Basinby Matt Poyner. Original public domain image from Flickr https://www.rawpixel.com/image/4038827/photo-image-tree-ocean-plantFree Image from public domain licenseMud GeyserMud Geyser was another popular attraction for early tourists visiting Yellowstone. An eruption of Mud Geyser would… https://www.rawpixel.com/image/4038682/photo-image-cloud-tree-plantFree Image from public domain licenseAn American bison, also known as a buffalo, strikes a pose in Yellowstone National Park in northwestern Wyoming. Original… https://www.rawpixel.com/image/582784/carol-highsmiths-wyoming-photographFree Image from public domain licenseScenes from the 2017 eclipse at Old Faithfuul Yellowstone Forever / Matt Ludin. Original public domain image from Flickr https://www.rawpixel.com/image/4226015/photo-image-public-domain-people-catFree Image from public domain licenseBison at Fountain Paint pots by Jim Peaco. Original public domain image from Flickr https://www.rawpixel.com/image/4038671/photo-image-tree-plant-woodFree Image from public domain licenseFountain Paint Pot by Diane Renkin. Original public domain image from Flickr https://www.rawpixel.com/image/4038782/photo-image-ocean-nature-mountainFree Image from public domain licenseMammoth Hot Springs Terracesby Diane Renkin. Original public domain image from Flickr https://www.rawpixel.com/image/4038198/photo-image-plant-animalFree Image from public domain licenseSapphire Pool, Biscuit Basin by Jim Peaco. Original public domain image from Flickr https://www.rawpixel.com/image/4038662/photo-image-tree-ocean-plantFree Image from public domain licenseCalcium carbonate formations, Mammoth Hot Springs by Diane Renkin. Original public domain image from Flickr https://www.rawpixel.com/image/4038184/photo-image-ocean-bee-natureFree Image from public domain licenseFamily enjoying a sunset near Black Pool in West Thumb Geyser Basin. Original public domain image from Flickr https://www.rawpixel.com/image/4032557/photo-image-background-family-peopleFree Image from public domain licenseThe mighty Lower Falls of the Yellowstone River in Yellowstone National Park in northwestern Wyoming. Falling 308 feet, they… https://www.rawpixel.com/image/582734/carol-highsmiths-wyoming-photographFree Image from public domain licenseThe Madison River winds through Yellowstone National Park, in the northwest corner of the western state of Wyoming. Original… https://www.rawpixel.com/image/582792/carol-highsmiths-wyoming-photographFree Image from public domain licenseThe Thunderer, a 10,495-foot peak in the northeast section of Yellowstone National Park in the Absaroka Range of the… https://www.rawpixel.com/image/582719/carol-highsmiths-wyoming-photographFree Image from public domain licenseA fisherman tries his luck in Yellowstone National Park's Madison River in northwestern Wyoming. Original image from Carol… https://www.rawpixel.com/image/434416/free-photo-image-river-fishing-carolFree Image from public domain licenseThe Lower Falls of the Yellowstone River in northwestern Wyoming's Yellowstone National Park. Twice as high as Niagara Falls… https://www.rawpixel.com/image/434432/free-photo-image-trees-waterfalls-wyomingFree Image from public domain licenseThe Lower Falls of the Yellowstone River in northwestern Wyoming's Yellowstone National Park. Twice as high as Niagara Falls… https://www.rawpixel.com/image/434431/free-photo-image-public-domain-waterfalls-national-parks-yellowstone-parkFree Image from public domain licenseA bald eagle, which of course is not bald at all, surveys its domain in the northernmost Wyoming reaches of Yellowstone… https://www.rawpixel.com/image/582715/carol-highsmiths-wyoming-photographFree Image from public domain license"Old Faithful" geyser erupts in Yellowstone National Park's Upper Geyser Basin in the western U.S. state of Wyoming. https://www.rawpixel.com/image/582725/carol-highsmiths-wyoming-photographFree Image from public domain licenseThermal features along a trail leading to Artist Point overlooking the Lower Falls in Yellowstone National Park. Original… https://www.rawpixel.com/image/3093660/free-photo-image-america-artist-point-blue-skyFree Image from public domain licenseScene from Yellowstone National Park's Lower Terrace. Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/3094133/free-photo-image-america-blue-sky-carol-highsmithFree Image from public domain licenseBull elk in Yellowstone National Park, in the northwest corner of the western state of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/582750/carol-highsmiths-wyoming-photographFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434410/free-photo-image-yellowstone-national-park-buffalo-americaFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434254/free-photo-image-america-american-americas-public-domainFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434447/free-photo-image-animals-buffalo-bisonFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434415/free-photo-image-pasture-america-public-domainFree Image from public domain licenseBull elk in Yellowstone National Park, in the northwest corner of the western state of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434424/free-photo-image-yellowstone-carol-highsmith-national-parkFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434258/free-photo-image-animals-yellowstone-americaFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434451/free-photo-image-animals-wildlife-public-domain-americaFree Image from public domain licenseThermophiles from Doublet Poolby Diane Renkin. Original public domain image from Flickr https://www.rawpixel.com/image/4038346/photo-image-art-painting-natureFree Image from public domain licenseBuffalo-crossing sign in the vast Wyoming portion of Yellowstone National Park. Original image from Carol M.… https://www.rawpixel.com/image/434479/free-photo-image-sign-yellowstone-national-parkFree Image from public domain licenseBuffalo on the move in Yellowstone National Park, Wyoming. Original image from Carol M. Highsmith’s America, Library… https://www.rawpixel.com/image/3093668/free-photo-image-america-animal-beautifulFree Image from public domain licenseYellowstone National Park Mammoth Hot Springs. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/433757/free-photo-image-yellowstone-mammoth-mountain-national-parkFree Image from public domain licenseA storm brews above the Firehole River in Yellowstone National Park in northwestern Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434420/free-photo-image-river-wyoming-storm-cloudsFree Image from public domain licenseTrout stream at the Ranch A Education Center near Buelah, Wyoming. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/434369/free-photo-image-creek-wyoming-sandFree Image from public domain licenseBuffaloes, or American bison, trudge through the snow in the northernmost Wyoming reaches of Yellowstone National Park.… https://www.rawpixel.com/image/582718/carol-highsmiths-wyoming-photographFree Image from public domain licenseA coyote blends into its surroundings in mid-winter in Yellowstone National Park in northern Wyoming. Original image from… https://www.rawpixel.com/image/582781/carol-highsmiths-wyoming-photographFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434436/american-bisonFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434450/free-photo-image-buffalo-national-parks-animalFree Image from public domain licenseAn American bison, or buffalo, navigates snowy Yellowstone National Park in western Wyoming. https://www.rawpixel.com/image/582729/carol-highsmiths-wyoming-photographFree Image from public domain licenseA lone and lean coyote makes the best of wintertime in the northernmost Wyoming reaches of Yellowstone National Park.… https://www.rawpixel.com/image/434440/free-photo-image-coyote-fox-forestFree Image from public domain licenseA lone and lean coyote makes the best of wintertime in the northernmost Wyoming reaches of Yellowstone National Park.… https://www.rawpixel.com/image/434443/free-photo-image-coyote-winter-carol-highsmithFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434435/free-photo-image-countryside-winter-bisonFree Image from public domain licenseA lone and lean coyote makes the best of wintertime in the northernmost Wyoming reaches of Yellowstone National Park.… https://www.rawpixel.com/image/434439/free-photo-image-coyote-animal-yellowstone-national-parkFree Image from public domain licenseA young bald eagle surveys the world below in the vast Wyoming portion of Yellowstone National Park. Original image from… https://www.rawpixel.com/image/434482/free-photo-image-eagle-colorado-yellowstone-national-parkFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434441/free-photo-image-national-parks-snow-animalFree Image from public domain licenseAmerican 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 licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434483/free-photo-image-snow-yellowstone-wyoming-winterFree Image from public domain licenseA young bald eagle surveys the world below in the vast Wyoming portion of Yellowstone National Park. Original image from… https://www.rawpixel.com/image/434434/free-photo-image-eagle-bald-birdFree Image from public domain licenseA lone and lean coyote makes the best of wintertime in the northernmost Wyoming reaches of Yellowstone National Park.… https://www.rawpixel.com/image/434442/free-photo-image-fox-coyote-forestFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434438/free-photo-image-bison-buffalo-carol-highsmithFree Image from public domain licenseTrees get a white winter glaze in Yellowstone National Park. Original image from Carol M. Highsmith’s America, Library… https://www.rawpixel.com/image/434617/free-photo-image-winter-snow-treesFree Image from public domain licenseTrees get a white winter glaze in Yellowstone National Park. Original image from Carol M. Highsmith’s America, Library… https://www.rawpixel.com/image/434625/free-photo-image-winter-snow-skyFree Image from public domain licenseTrees get a white winter glaze in Yellowstone National Park. Original image from Carol M. Highsmith’s America, Library… https://www.rawpixel.com/image/434614/free-photo-image-carol-highsmith-winner-americaFree Image from public domain licenseAn elk forages in the northernmost Wyoming reaches of Yellowstone National Park. Original image from Carol M.… https://www.rawpixel.com/image/3093648/free-photo-image-america-animal-carol-highsmithFree Image from public domain licenseTrees get a white winter glaze in Yellowstone National Park in the northwest corner of Wyoming. https://www.rawpixel.com/image/582747/carol-highsmiths-wyoming-photographFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434627/free-photo-image-carol-highsmith-buffaloFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434626/free-photo-image-bison-animals-wildFree Image from public domain licenseCastle Geyser pre-eruption by Diane Renkin. Original public domain image from Flickr https://www.rawpixel.com/image/4038285/photo-image-nature-mountain-waterFree Image from public domain licenseGrand Prismatic Spring and thermophiles by Curtis Akin. Original public domain image from Flickr https://www.rawpixel.com/image/4038946/photo-image-tree-plant-natureFree Image from public domain licenseMassive machinery at work in the open-pit Wyodak coal mine in the coal-rich Powder River Basin outside Gillette, Wyoming.… https://www.rawpixel.com/image/434361/free-photo-image-mining-public-domain-trains-carol-highsmithFree Image from public domain licenseFrosted tree, Lower Geyser Basin by Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4038775/photo-image-nature-iceFree Image from public domain licenseFountain Paint Pots, Lower Geyser Basin by Diane Renkin. Original public domain image from Flickr https://www.rawpixel.com/image/4038808/photo-image-tree-plant-smokeFree Image from public domain licenseA fisherman tries his luck in the Yellowstone River in Yellowstone National Park in northwestern Wyoming. https://www.rawpixel.com/image/2370808/photo-image-public-domain-america-fishingFree Image from public domain licenseLone Star Geyser on a sunny afternoon portrait by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038520/photo-image-summer-nature-mountainFree Image from public domain licenseCastle Geyser late evening eruptionby Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038910/photo-image-summer-nature-mountainFree Image from public domain licenseCastle Geyser eruption with double rainbow by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038908/photo-image-rainbow-summer-natureFree Image from public domain licenseOld Faithful eruption at sunsetby Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038897/photo-image-summer-nature-skyFree Image from public domain licenseLone Star Geyser on a sunny afternoon by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038911/photo-image-tree-plant-forestFree Image from public domain licenseSilex Spring in the Lower Geyser Basin by Diane Renkin. Original public domain image from Flickr https://www.rawpixel.com/image/4038954/photo-image-tree-ocean-plantFree Image from public domain licenseScene from the Sweetwater County, Wyoming, portion of the Flaming Gorge National Recreation Area, which narrows and turns… https://www.rawpixel.com/image/582723/carol-highsmiths-wyoming-photographFree Image from public domain licenseEastern Shoshone tribe at the Wind River Indian Reservation in Wyoming. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/3090887/free-photo-image-carol-highsmith-indian-americaFree Image from public domain licenseBuffaloes, or American bison, trudge through the snow in the northernmost Wyoming reaches of Yellowstone National Park. https://www.rawpixel.com/image/2370826/photo-image-cow-plant-personFree Image from public domain licenseA 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 licenseAmerican bison, or buffaloes, trudge where private automobiles may not tread -- down a road in Yellowstone National Park in… https://www.rawpixel.com/image/2370797/photo-image-dog-horse-cowFree Image from public domain licenseBison in Lower Geyser Basin in winter by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038970/photo-image-tree-ocean-plantFree Image from public domain licenseA 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 licenseNuclear power plant in Northern California. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434145/free-photo-image-factory-nuclear-power-plantFree Image from public domain licenseLandscape near the Colorado border in southern Wyoming. Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/582754/carol-highsmiths-wyoming-photographFree Image from public domain licenseNuclear power plant in Northern California. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434141/free-photo-image-nuclear-power-plantFree Image from public domain license