Hiking into the sun near Pleasant Valley by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038932/photo-image-light-tree-plantFree Image from public domain license
Elk meander freely in the Northern Arizona woods near Monument Valley Navajo Tribal Park. Original image from Carol M.… https://www.rawpixel.com/image/582340/carol-highsmiths-arizona-photographFree Image from public domain license
View from "The Pinnacle," an observation post high above the Cumberland River at Cumberland Gap… https://www.rawpixel.com/image/8071536/photo-image-cloud-border-plantFree Image from public domain license
White Cloud peaks reflect into a small lake on the Windy Devil Pass in the Sawtooth National Forest. Original public domain… https://www.rawpixel.com/image/3390982/free-photo-image-basin-canyon-cliffFree Image from public domain license
A jagged mountain with its peak bathed in bright sunlight. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3292621/free-photo-image-adventure-cc0-cliffFree Image from public domain license
Modern house at the top of a rocky hill with mountains and a creek in the background and foreground during sunset. Original… https://www.rawpixel.com/image/3299538/free-photo-image-nature-hiking-architecture-basinFree Image from public domain license
Free Death Valley National Park image, public domain landscape CC0 photo. https://www.rawpixel.com/image/5914344/image-background-clouds-public-domainFree Image from public domain license
The Lava Mountains span the northwestern portion of Golden Valley Wilderness, cresting to almost 5,000 feet on Dome Mountain. https://www.rawpixel.com/image/3398395/free-photo-image-blm-california-buildingFree Image from public domain license
A high view of the high cliffs and the wooded bottom in Yosemite Valley. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3292961/free-photo-image-abies-canyon-cc0Free Image from public domain license
Panorama of Denali National Park (1994) mountain landscape painted by Heinrich C. Berann. Original public domain image from… https://www.rawpixel.com/image/10103411/image-art-pattern-vintageFree Image from public domain license
A zigzagging dirt road up a semi-arid mountain slope. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3293748/free-photo-image-aerial-view-cc0-countrysideFree Image from public domain license
Sunrise Panorama at Shenandoah National Park, Virginia, USA. Free public domain CC0 photo. https://www.rawpixel.com/image/6202333/photo-image-light-public-domain-natureFree Image from public domain license
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Yosemite Valley, United States. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3283652/free-photo-image-nevada-lake-natureFree Image from public domain license
Natural landscape of Highlands in Scotland https://www.rawpixel.com/image/938015/the-scottish-highlandsView license
KATM outlet stream of east Mageik LakeNPS / M. Fitz. Original public domain image from Flickr https://www.rawpixel.com/image/3392389/free-photo-image-alaska-national-park-service-basinFree Image from public domain license
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Zhangjiajie National Forest Park, China https://www.rawpixel.com/image/1198861/chinese-national-parkView license
SUNP1154Wild Horses North Hills Wild Horse Territory-Credit U.S. Forest Service. Original public domain image from Flickr https://www.rawpixel.com/image/4034733/photo-image-tree-plant-natureFree Image from public domain license
Wild Horses North Hills Wild Horse Territory-Credit U.S. Forest Service. Original public domain image from Flickr https://www.rawpixel.com/image/4034694/photo-image-nature-horseFree Image from public domain license
Setting up camp at a backcountry lake in the Katmai Preserve, NPS Photo/Russ Taylor. Original public domain image from Flickr https://www.rawpixel.com/image/4031797/photo-image-green-nature-mountainFree Image from public domain license
A resort with a pool in the Mexican mountains on a warm day. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3292403/free-photo-image-aerial-view-art-best-stone-pictures-imagesFree Image from public domain license
Gates Glacier From Lake - Donoho Basin. Original public domain image from Flickr https://www.rawpixel.com/image/3392262/free-photo-image-ice-mountain-nature-cc0Free Image from public domain license
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Rock Art in Horseshoe CanyonCredit: NPS/Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/4033843/photo-image-person-nature-mountainFree Image from public domain license
Maze OverlookCredit: NPS/Kait Thomas. Original public domain image from Flickr https://www.rawpixel.com/image/4034049/photo-image-nature-mountain-landscapeFree Image from public domain license
Green mountain slopes over a sea of clouds. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3287835/free-photo-image-nature-alps-cc0Free Image from public domain license
Scenic view in Northern California. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/434144/free-photo-image-panorama-carol-highsmith-natureFree Image from public domain license
Gunsight Trail - Trail To The Night Sky. Original public domain image from Flickr https://www.rawpixel.com/image/3309745/free-photo-image-abies-adventure-aquaticFree Image from public domain license
Bromo Tengger Semeru National Park, Indonesia https://www.rawpixel.com/image/428349/free-photo-image-semeru-indonesia-adventureView license
Hiker along Soda Butte Creekby Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4226042/photo-image-public-domain-nature-personFree Image from public domain license
Saddle Mountain and Pollux Peak from Druid Peak hillsideby Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038003/photo-image-tree-plant-natureFree Image from public domain license
Yosemite National Park. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally… https://www.rawpixel.com/image/422028/free-photo-image-california-black-and-white-travel-photos-landscapeFree Image from public domain license
Red-rock formation at Arches National Park. https://www.rawpixel.com/image/2349855/red-rock-formation-arches-national-parkView license
Death Valley National Park, Furnace Creek, United States. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3290857/free-photo-image-aerial-view-architecture-artists-paletteFree Image from public domain license
Alpine Sunset From Oberlin. Original public domain image from Flickr https://www.rawpixel.com/image/3309867/free-photo-image-cc0-cliff-creative-commonsFree Image from public domain license