The world's oldest trees, Bristlecone Pines, in the Inyo National Forest, California. The trees range from 4,000 to 5,000… https://www.rawpixel.com/image/3388272/free-photo-image-wood-trees-forest-natureFree Image from public domain licenseRiver mountain rock vegetation. https://www.rawpixel.com/image/14742271/river-mountain-rock-vegetationView licenseRiver mountain wilderness vegetation. https://www.rawpixel.com/image/14742268/river-mountain-wilderness-vegetationView licenseFog 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 licenseScenic route in the Redwood National Forest in California, USA https://www.rawpixel.com/image/2092693/scenic-road-redwood-national-forestView licenseAutumnal view of Rocky Mountain peaks called the Maroon Bells, between Pitkin County and Gunnison County, Colorado. Original… https://www.rawpixel.com/image/422056/rocky-mountain-peaksFree Image from public domain licenseLady Bird Johnson Grove in Northern California. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/422019/lady-bird-johnson-groveFree Image from public domain licenseCheetah (2014) by Ronda Gregorio. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060053/free-photo-image-animal-cheetah-wildlifeFree Image from public domain licenseAfrican Lion (2011) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060356/free-photo-image-lion-animal-forestFree Image from public domain licenseThe Redwood National and State Parks. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/422014/tree-canopyFree Image from public domain licenseYosemite National Park, United States. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/422042/yosemite-national-parkFree Image from public domain licenseSumatran Tiger (2009) by Mehgan Murphy. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060411/free-photo-image-tiger-forest-animalFree Image from public domain licenseGiant Panda (1985) by Jessie Cohen. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3059731/free-photo-image-animal-panda-treeFree Image from public domain licenseTreetops at Yosemite National Park, United States https://www.rawpixel.com/image/429778/green-trees-from-belowView licenseYosemite National Park. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally… https://www.rawpixel.com/image/422023/yosemite-national-parkFree Image from public domain licenseView of the Milky Way over Cathedral Rock, seen from the Cathedral Rock Trailhead on Back O' Beyond Road, Coconino National… https://www.rawpixel.com/image/3388273/free-photo-image-galaxy-sky-stars-night-starryFree Image from public domain licenseLowland Gorilla (2002) by Jessie Cohen. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060636/free-photo-image-gorilla-animal-natureFree Image from public domain licenseMountain in Yosemite valley, USA https://www.rawpixel.com/image/437321/mountain-landscapeView licenseFree green botanical landscape image, public domain landscape CC0 photo. https://www.rawpixel.com/image/5923135/photo-image-light-public-domain-treesFree Image from public domain licenseView of the Milky Way over Cathedral Rock, seen from the Cathedral Rock Trailhead on Back O' Beyond Road, Coconino National… https://www.rawpixel.com/image/3388257/free-photo-image-landscape-aesthetic-arizonaFree Image from public domain licenseNature desktop wallpaper background, scenic pine forest covered with snow at Oulanka National Park, Finland https://www.rawpixel.com/image/3906186/photo-image-background-xmas-wallpaperView licenseView of Yosemite National Park, United States https://www.rawpixel.com/image/429775/lake-landscapeView 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 licenseRoad trip along the Cuyahoga Valley National Park in Ohio, USA https://www.rawpixel.com/image/438786/driving-through-valley-roadView licenseMoonlit Panoramic view of Yosemite Valley, United States https://www.rawpixel.com/image/426978/panoramic-nature-landscapeView licenseFall colors in the Ruby Mountains, Humboldt-Toiyabe National Forest. Original public domain image from Flickr https://www.rawpixel.com/image/4035087/photo-image-tree-leaf-woodsFree Image from public domain licenseFirst Lake & Mount Blackburn, Donoho Basin. Original public domain image from Flickr https://www.rawpixel.com/image/4039450/photo-image-cloud-tree-woodsFree Image from public domain licenseBristlecone pine in the Spring Mountains, North Loop Trail, Spring Mountains National Recreation Area, Humboldt-Toiyabe… https://www.rawpixel.com/image/4035031/photo-image-tree-woods-forestFree Image from public domain licenseRed Pine Lake in Little Cottonwood Canyon on the Uinta-Wasatch-Cache National Forest in Utah. Original public domain image… https://www.rawpixel.com/image/4035103/photo-image-forest-nature-mountainFree Image from public domain licenseGray Wolf (2012) by Brittany Steff. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3062723/free-photo-image-wolf-background-animalFree Image from public domain licenseRed Siskin (2016). Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060401/free-photo-image-bird-animal-zooFree Image from public domain licenseA waterfall in Samoa https://www.rawpixel.com/image/95297/tropical-waterfallView licenseThe Milky Way above Grand Prismatic Spring. Original public domain image from Flickr https://www.rawpixel.com/image/4032705/photo-image-background-stars-woodsFree Image from public domain licenseGlacier National Park, Montana. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/3090585/free-photo-image-lake-forest-natureFree Image from public domain licenseLupine and other wildflowers are seen near Delmoe Lake in Beaverhead-Deerlodge National Forest. https://www.rawpixel.com/image/3259385/free-photo-image-flower-purple-landscapeFree Image from public domain licenseFrosty 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 licenseTwo-toed Sloth (2018) by Stan Bysshe. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3061683/free-photo-image-animal-forest-design-resourceFree Image from public domain licenseBison 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 licenseAutumn Eagle. Shiawassee National Wildlife Refuge 2013 Photo Contest. Original public domain image from Flickr https://www.rawpixel.com/image/4025513/photo-image-tree-leaf-woodsFree Image from public domain licenseSiberian husky in Yosemite Valley, USA https://www.rawpixel.com/image/437325/winter-dog-the-wildView licenseYosemite Falls in Yosemite National Park, USA https://www.rawpixel.com/image/429769/waterfall-natureView licenseMoonrise over Sitka Ranger District, Tongass National Forest, Alaska. Original public domain image from Flickr https://www.rawpixel.com/image/3388283/free-photo-image-moon-mountain-forestFree Image from public domain licenseLower Seymour Campground on Wisdom Ranger District of Beaverhead-Deerlodge National Forest Montana, September 15, 2019.USDA… https://www.rawpixel.com/image/3259529/free-photo-image-forest-tree-redwood-forestsFree Image from public domain licenseAmerican Bison (2011) by Joe Alderman. Original from Smithsonian's National Zoo. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/3060265/free-photo-image-forest-animalFree Image from public domain licenseLightning, Wildfire, and Rainbows all came together in the Jacks Valley, Jacks Fire-Humboldt-Toiyabe National Forest in… https://www.rawpixel.com/image/4035072/photo-image-light-rainbow-fireFree Image from public domain licenseHikers at Cutbank Pass Panorama. Original public domain image from Flickr https://www.rawpixel.com/image/3312494/free-photo-image-hiking-landscape-travelling-destinationFree Image from public domain licenseThe 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"Elk Bath" – A wildfire on the East Fork of the Bitterroot River on the Sula Complex in the Bitterroot National Forest in… https://www.rawpixel.com/image/8718186/photo-image-fire-trees-public-domainFree Image from public domain licenseMan climbing alone on a snowy mountain, Tongass National Forest. Original public domain image from Flickr https://www.rawpixel.com/image/3388187/free-photo-image-extreme-sports-man-sunglassesFree Image from public domain licenseCairngorms National Park, Ballater, United Kingdom. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282180/free-photo-image-winter-leaf-stoneFree Image from public domain licenseA couple enjoys the view and the recreation available at the campgrounds at Wade Lake in the Beaverhead-Deerlodge National… https://www.rawpixel.com/image/3306145/free-photo-image-camping-summer-holidays-mountainFree Image from public domain licenseFemale 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 licenseScenic route in the Redwood National Forest in California, USA https://www.rawpixel.com/image/1204737/scenic-road-redwood-national-forestView licenseAbineau Trail No. 127Fall color September 25, 2016 along Abineau Trail https://www.rawpixel.com/image/3394095/free-photo-image-tree-spring-autumn-forestFree Image from public domain licenseWapiti 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 licenseWinter in Yosemite Valley, USA https://www.rawpixel.com/image/437327/winter-woodlandView licenseDrone view of a red car driving though a snowy forest in Lapland, Finland https://www.rawpixel.com/image/2261826/premium-photo-image-pine-winter-forestView licenseLast 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 licenseScenic view of mountains and lake https://www.rawpixel.com/image/71090/mongolian-landscapeView licenseThomas Fire, Los Padres National Forest, CA. Original public domain image from Flickr https://www.rawpixel.com/image/3388321/free-photo-image-fire-tree-forestFree Image from public domain licenseRainbow 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 licenseWinter iPhone wallpaper background, pine forest covered with snow at Oulanka National Park, Finland https://www.rawpixel.com/image/3906901/photo-image-background-xmas-treesView licenseMilford Sound, Fiordland, New Zealand. https://www.rawpixel.com/image/76174/milford-soundView licenseZhangjiajie National Forest Park, China https://www.rawpixel.com/image/935480/forest-park-chinaView licenseWinding road through a national park https://www.rawpixel.com/image/437289/curving-asphalt-roadView licenseView of highway in Yosemite National Park https://www.rawpixel.com/image/456498/travel-and-wanderlustView licenseMountain wilderness landscape outdoors. https://www.rawpixel.com/image/12013055/photo-image-cloud-plant-grassView licenseView of Yosemite National Park, United States https://www.rawpixel.com/image/429777/dusk-view-natureView licenseSunrise 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 licenseA woman paddle boards Wade Lake with her dog in the Beaverhead-Deerlodge National Forest. https://www.rawpixel.com/image/3306142/free-photo-image-sunny-sky-nature-summerFree Image from public domain licenseWoman sleeping in a tent with an amazing view https://www.rawpixel.com/image/387586/person-tentView licenseGolden Rose Ski Classic Princess 1930's. Original public domain image from Flickr https://www.rawpixel.com/image/4073056/photo-image-face-public-domain-natureFree Image from public domain licenseA morning river scene in the Davidson River Campground, Pisgah National Forest, NC, July 29, 2017. (USDA Photo by Lance… https://www.rawpixel.com/image/3259490/free-photo-image-river-waterfall-natureFree Image from public domain licenseDogs, Cooper and Kody, take a break amidst an amazing vista in the Okanogan Wenatchee National Forest, Washington. Original… https://www.rawpixel.com/image/3388325/free-photo-image-landscape-forest-outdoors-skyFree Image from public domain licenseA herd of guanacos in Torres del Paine National Park in Chile. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/439985/herd-guanacosFree Image from public domain licenseCouple watching the sunset, Tongass National Forest. Original public domain image from Flickr https://www.rawpixel.com/image/3388168/free-photo-image-people-nature-couple-travelFree Image from public domain license