Aurora borealis on a night sky over silhouettes of trees. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3285190/free-photo-image-background-northern-lights-aurora-borealisFree 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 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 licenseThe Pioneer Fire located in the Boise National Forest near Idaho City, ID began on Jul. 18, 2016 and the cause is under… https://www.rawpixel.com/image/3259611/free-photo-image-fire-forest-global-warmingFree Image from public domain 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 licenseSt. Patrick's aurora, a green aurora taken at Donnelly Creek, Alaska, March 17th, 2015. Original from NASA. Digitally… https://www.rawpixel.com/image/440109/green-auroraFree Image from public domain licensePine Gulch Fire. Night operations on the Pine Gulch Fire in Colorado. Original public domain image from Flickr https://www.rawpixel.com/image/8752745/photo-image-smoke-fire-public-domainFree Image from public domain 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 licenseAurora in Someroharju, Finland. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282866/free-photo-image-background-nature-space-wallpapers-iphone-landscapeFree Image from public domain licenseA granite cliff in Yosemite under a starry night sky. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3285682/free-photo-image-mountain-nature-night-skyFree Image from public domain licenseAllagash under the stars. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282685/free-photo-image-camping-mountain-forestFree Image from public domain licenseMilky Way reflections on a beaver pond. Original public domain image from Flickr https://www.rawpixel.com/image/4032678/photo-image-background-tree-starsFree Image from public domain licenseMilky Way from the Commissary Ridge Spike Camp during the Fall Creek RX. Caribou-Targhee National Forest, USA. Original… https://www.rawpixel.com/image/4035086/photo-image-stars-space-natureFree Image from public domain licenseMilky 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 licenseYoungsters boating in the early morning on Malibu Lake in the Santa Monica Mountains near Malibu, California. Original… https://www.rawpixel.com/image/8799388/photo-image-plant-moon-spaceFree Image from public domain licenseFree blue Volkswagen Beetle in forest image, public domain car CC0 photo. https://www.rawpixel.com/image/5926445/photo-image-light-public-domain-logoFree Image from public domain licenseFree quiona salad, vegetable meal top view photo, public domain yyy CC0 image. https://www.rawpixel.com/image/5921341/photo-image-flower-public-domain-plantFree Image from public domain licenseA blue night sky with star light trails above Fryeburg in the state of Maine. Original public domain image from Wikimedia… https://www.rawpixel.com/image/3283556/free-photo-image-usa-countryside-forest-americaFree Image from public domain licenseCampout at Devils Playground Night Sky. Original public domain image from Flickr https://www.rawpixel.com/image/4033031/photo-image-background-nature-skyFree Image from public domain licenseStargazing under galaxy starry night sky, free public domain CC0 photo. https://www.rawpixel.com/image/5924059/photo-image-public-domain-stars-galaxyFree Image from public domain licenseFree starry night, nature image, public domain scenery CC0 photo. https://www.rawpixel.com/image/5916479/image-public-domain-nature-freeView licensePine Gulch Fire. Night operations on the Pine Gulch Fire in Colorado. Photo by Kyle Miller, Wyoming Hotshots, USFS. Original… https://www.rawpixel.com/image/8738820/photo-image-smoke-fire-public-domainFree Image from public domain licenseLight in a green tent surrounded by silhouettes of trees on a starry night. Original public domain image from Wikimedia… https://www.rawpixel.com/image/3285670/free-photo-image-camping-cc0-creative-commonsFree Image from public domain licenseWater texture, waves, beach scenery photo , free public domain CC0 image. https://www.rawpixel.com/image/5923713/photo-image-texture-public-domain-wavesFree Image from public domain licenseA flare illuminates a U.S. Navy Basic Underwater Demolition/SEAL (BUD/S) third phase trainee during a night shoot on San… https://www.rawpixel.com/image/8729630/photo-image-smoke-fire-public-domainFree Image from public domain licenseFree close conifer and light image, public domain plant CC0 photo. https://www.rawpixel.com/image/5926595/photo-image-public-domain-tree-plantView licenseU.S. Army Chief Warrant Officer 3 Bobby Guffy, assigned to the 1st Squadron, 17th Cavalry Regiment, 82nd Airborne Division… https://www.rawpixel.com/image/8738935/photo-image-light-public-domain-greenFree Image from public domain licenseStarry night. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3305741/free-photo-image-night-space-forest-trees-silhouette-vacationFree Image from public domain licenseFull moon over Coconino NF. Credit: Coconino National Forest. Original public domain image from Flickr. https://www.rawpixel.com/image/3394050/free-photo-image-universe-space-cc0Free Image from public domain licenseSnowy forest trail. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3338125/free-photo-image-nature-cc0-countrysideFree Image from public domain licenseA high-angle shot of a waterfall pouring down a rocky ledge into a clear pond in the woods. Original public domain image… https://www.rawpixel.com/image/3304912/free-photo-image-cave-big-tree-nightFree Image from public domain licenseFive men standing inside the ruins of a Gothic church, at night. Coloured aquatint, ca. 1800. https://www.rawpixel.com/image/13968644/image-plant-person-churchFree Image from public domain licenseAesthetic milky way background. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3298954/free-photo-image-grass-and-stars-night-sky-nightFree Image from public domain licenseThe hidden city of Cape Town covered by clouds. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3291406/free-photo-image-urban-south-africa-cape-townFree Image from public domain licenseSunset Crater Volcano National Monument is one of several Dark Sky Places neighboring the Coconino National Forest. https://www.rawpixel.com/image/3388284/free-photo-image-stars-way-star-skyFree Image from public domain licenseRaindrop on the glass window. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3297427/free-photo-image-creepy-night-rain-textureFree Image from public domain licenseCarrizo Plain National Monument is one of the best kept secrets in California. Original public domain image from Flickr https://www.rawpixel.com/image/3398038/free-photo-image-central-astronomy-californiaFree Image from public domain licenseNorthern light shining bright in the starry night sky. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3285019/free-photo-image-vacation-aurora-brightFree Image from public domain licenseStarry sky in the wilderness. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3301231/free-photo-image-starry-sky-space-artFree Image from public domain licenseMilky way over a dark forest. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3284916/free-photo-image-pine-forest-dark-jungle-starry-skyFree Image from public domain licenseAurora boreali, Lapland, Finland. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3300661/free-photo-image-ice-finland-background-grassFree Image from public domain licenseScenic starry sky background. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3298700/free-photo-image-australia-constellation-astronomyFree Image from public domain licenseRed leaves, New Forest National Park, United Kingdom. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3293116/free-photo-image-japanese-maple-acer-natureFree Image from public domain licenseStarry sky in the wilderness. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3285429/free-photo-image-way-trees-starry-skyFree Image from public domain licenseSilhouettes of evergreen trees and lights from tents under a starry sky. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3299896/free-photo-image-galaxy-night-sky-forest-abiesFree Image from public domain license