McDonald Creek - Autumn water. Original public domain image from Flickr https://www.rawpixel.com/image/3311336/free-photo-image-nature-america-autumnFree Image from public domain licenseWildflowers Below Clements Mountain Portrait. Original public domain image from Flickr https://www.rawpixel.com/image/3311427/free-photo-image-waterfall-summer-americaFree Image from public domain licenseWildflowers Below Clements Mountain. Original public domain image from Flickr https://www.rawpixel.com/image/3311438/free-photo-image-waterfall-flower-landscapeFree Image from public domain licenseHorsetail Falls covered in Ice after winter storm along the Historic Columbia River Gorge Scenic Highway in the Columbia… https://www.rawpixel.com/image/3390866/free-photo-image-creek-ice-cc0-cliffFree Image from public domain licenseMerced River in Yosemite National Park, USA https://www.rawpixel.com/image/429999/free-photo-image-waterfall-spring-water-americaView licenseMerced River in Yosemite National Park, USA https://www.rawpixel.com/image/429812/free-photo-image-waterfall-landscape-landmarkView licenseSki tour above Soda Butte Creek. NPS photo by Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4036975/photo-image-person-nature-mountainFree Image from public domain licenseYosemite National Park, USA. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/434195/free-photo-image-waterfall-forest-yosemiteFree Image from public domain licenseSpectacular Yosemite Falls, Yosemite National Park. Original image from Carol M. Highsmith’s America, Library of… https://www.rawpixel.com/image/421873/free-photo-image-waterfall-carol-highsmith-mountainFree Image from public domain licenseUndine Falls from the Lava Creek Trail by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038625/photo-image-tree-plant-natureFree Image from public domain licenseWinter in Yosemite National Park, United States https://www.rawpixel.com/image/429929/free-photo-image-snow-adventure-americanView licenseYosemite National Park in the USA https://www.rawpixel.com/image/1219116/yosemite-national-parkView licenseIce covering Rocks along Wahkeena Creek in the Columbia River Gorge donated by Donald Graham. Original public domain image… https://www.rawpixel.com/image/4075561/photo-image-nature-mountain-iceFree Image from public domain licenseWinter in Yosemite National Park, United States https://www.rawpixel.com/image/430009/free-photo-image-adventure-american-californiaView licenseWinter in Yosemite National Park, United States https://www.rawpixel.com/image/430191/free-photo-image-mountain-winter-stream-snow-adventureView licenseOneonta Falls in Oregon, USA https://www.rawpixel.com/image/429808/free-photo-image-river-waterfall-adventureView licenseOneonta Falls in Oregon, USA https://www.rawpixel.com/image/430071/free-photo-image-adventure-america-beautifulView licenseLower Oneonta Falls in Oregon, USA https://www.rawpixel.com/image/429804/free-photo-image-river-lake-adventureView 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 licenseThe New River Gorge Bridge. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/434380/free-photo-image-bridges-carol-highsmith-virginiaFree Image from public domain licenseNorth Clear Creek Falls, in Hinsdale County along the Colorado mountain road called the Silver Thread Byway, drops from an… https://www.rawpixel.com/image/582482/carol-highsmiths-colorado-photographFree Image from public domain licenseRock Creek Park, Washington, D.C. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/421715/free-photo-image-snow-winter-backgroundFree Image from public domain licenseYosemite Falls in Yosemite National Park, USA https://www.rawpixel.com/image/429769/waterfall-natureView licenseThe Redwood National and State Parks. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/422011/free-photo-image-black-and-white-landscape-tree-photos-national-parkFree Image from public domain licenseMarymere Falls, a waterfall deep in Olympic National Park, southwest of Port Angeles on Washington State's Olympic… https://www.rawpixel.com/image/2352478/photo-image-jungle-plant-treeView 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 licenseHikers at Pitamakan Pass. Original public domain image from Flickr https://www.rawpixel.com/image/3311394/free-photo-image-landscape-hiking-mountain-hikeFree 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/422016/free-photo-image-forest-landscape-treesFree Image from public domain licenseRock Creek Park, Washington, D.C. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/421726/rock-creek-parkFree Image from public domain licenseHairy woodpecker (Leuconotopicus villosus) looking for food along the Slough Creek Trail by Jacob W. Frank. Original public… https://www.rawpixel.com/image/4038993/photo-image-tree-plant-birdFree Image from public domain licenseWater freezes on rocks along Ostler Fork Creek below Amethyst Lake, Uinta-Wasatch-Cache National Forest. Original public… https://www.rawpixel.com/image/4035044/photo-image-nature-waterFree Image from public domain licenseCyclists in Glacier National Park. A quick break along the Going-to-the-Sun Road. Original public domain image from Flickr https://www.rawpixel.com/image/4036954/photo-image-tree-people-natureFree Image from public domain licenseFall colors and Lake Fork along the Lick Creek Road near McCall, Idaho, in the Payette National Forest . Original public… https://www.rawpixel.com/image/4035090/photo-image-tree-leaves-woodsFree Image from public domain licenseEast Dallas Creek, 05/1972. Original public domain image from Flickr https://www.rawpixel.com/image/8799898/photo-image-public-domain-mountain-natureFree Image from public domain licenseUpper Yosemite Falls in Yosemite National Park, USA https://www.rawpixel.com/image/430265/free-photo-image-waterfall-america-beautifulView licenseUpper Yosemite Falls in Yosemite National Park, USA https://www.rawpixel.com/image/430264/free-photo-image-waterfall-america-beautifulView licenseUpper Yosemite Falls in Yosemite National Park, USA https://www.rawpixel.com/image/430272/free-photo-image-landscape-waterfall-mountainView licenseSlough Creek cabin during blue hour by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4039008/photo-image-house-stars-natureFree Image from public domain licenseTrout stream at the Ranch A Education Center near Buelah, Wyoming. Original image from Carol M. 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Original public domain image from Flickr https://www.rawpixel.com/image/4038715/photo-image-tree-plant-birdFree Image from public domain licenseBighorn sheep rams near Slough Creek by Peggy Olliff Original public domain image from Flickr https://www.rawpixel.com/image/4039059/photo-image-animal-public-domainFree Image from public domain licenseYosemite Falls in Yosemite National Park, USA https://www.rawpixel.com/image/429914/free-photo-image-america-beautiful-bridgeView licenseNature at Yosemite National Park, United States https://www.rawpixel.com/image/429844/free-photo-image-view-yosemite-valley-lake-californiaView licenseYosemite Falls in Yosemite National Park, USA https://www.rawpixel.com/image/430089/free-photo-image-america-beautiful-bridgeView licenseYosemite Falls in Yosemite National Park, USA https://www.rawpixel.com/image/429925/free-photo-image-waterfall-america-beautifulView licenseYosemite Falls in Yosemite National Park, USA https://www.rawpixel.com/image/430147/free-photo-image-america-back-beautifulView licenseNature at Yosemite National Park, United States https://www.rawpixel.com/image/430246/free-photo-image-waterfall-america-beautifulView licenseView of a valley in Zion National Park with a river flowing on its floor. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3285539/free-photo-image-nature-mountain-landscapeFree Image from public domain licenseBackpacker hiking the Hellroaring Creek trail in the Absaroka Beartooth Wilderness, USA. Original public domain image from… https://www.rawpixel.com/image/4032647/photo-image-background-flower-treeFree Image from public domain licenseThe Buffalo Fire burns through mixed sagebrush and grasses at Slough Creek by Neal Herbert. Original public domain image… https://www.rawpixel.com/image/4038676/photo-image-tree-plant-smokeFree Image from public domain licensePronghorn doe and fawn near Slough Creek by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038311/photo-image-animal-public-domainFree Image from public domain licenseYosemite Falls in Yosemite National Park, USA https://www.rawpixel.com/image/429953/free-photo-image-waterfall-yosemite-starry-skyView licenseYosemite National Park poster template https://www.rawpixel.com/image/14755226/yosemite-national-park-poster-templateView licenseMallrds huddle together for warmth near the concluence of Alum Creek and Yellowstone River, USA. Original public domain… https://www.rawpixel.com/image/4032553/photo-image-background-bird-natureFree Image from public domain licenseSlough Creek Campground recycling bins. Original public domain image from Flickr https://www.rawpixel.com/image/4039089/photo-image-tree-plant-natureFree Image from public domain licenseSandstone Falls, a series of broad but not high waterfalls on wide stretch of the New River in Sandstone Falls State Park in… https://www.rawpixel.com/image/434377/free-photo-image-forest-appalachian-canyons-natureFree Image from public domain licenseYosemite Falls in Yosemite National Park, USA https://www.rawpixel.com/image/1219144/yosemite-fallsView licenseA Park Ranger talks to visitors during the "Goodbye to the Glaciers" program at Jackson Glacier Overlook. 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