Canoe in twin lake. Original public domain image from Flickr https://www.rawpixel.com/image/3392227/free-photo-image-nature-mountains-mountain-travelFree Image from public domain licenseAialik Glacier Calving 5, Kenai Fjords National Park, Alaska. Original public domain image from Flickr. https://www.rawpixel.com/image/4039472/photo-image-background-nature-mountainFree Image from public domain licenseEagle Release at Dead Horse Point State Park. Original public domain image from Flickr https://www.rawpixel.com/image/4033019/photo-image-bird-nature-animalFree Image from public domain licenseResearch team at Katmai National Park and Preserve,Alaska. Original public domain image from Flickr https://www.rawpixel.com/image/4031791/photo-image-flower-people-natureFree Image from public domain licenseWhale jumping in the ocean. Original public domain image from Flickr https://www.rawpixel.com/image/3392519/free-photo-image-marine-life-alaska-animalFree Image from public domain licenseKLGO along the trailNPS / C. Anderson. Original public domain image from Flickr https://www.rawpixel.com/image/3392381/free-photo-image-forest-tree-abies-alaskaFree Image from public domain licenseTokosha Mountains in gray color. Original public domain image from Flickr https://www.rawpixel.com/image/3392450/free-photo-image-mckinley-denali-abiesFree Image from public domain licenseNOAT Rainbow LakeNPS / J. Bryant. Original public domain image from Flickr https://www.rawpixel.com/image/3392388/free-photo-image-abies-alaska-national-park-serviceFree Image from public domain licensePyramid Peak and RainbowNPS / Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/3392440/free-photo-image-rainbow-landscape-abies-adventureFree Image from public domain licenseOtter floating on its back. Original public domain image from Flickr https://www.rawpixel.com/image/3392230/free-photo-image-sea-animals-alaska-animalFree Image from public domain licenseBear Glacier Berg 13, Kenai Fjords National Park, Alaska. Original public domain image from Flickr https://www.rawpixel.com/image/4039463/photo-image-background-nature-mountainFree Image from public domain licenseSea lion in Alasko, GLBA wildlife NPS photo. Original public domain image from Flickr https://www.rawpixel.com/image/3392392/free-photo-image-fish-alaska-national-park-serviceFree Image from public domain licenseDENA dall sheepNPS/ K. Thoresen. Original public domain image from Flickr https://www.rawpixel.com/image/3392387/free-photo-image-goat-alaska-national-park-serviceFree Image from public domain licenseGranite Creek TarnNPS / Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/3392470/free-photo-image-aerial-view-alaskaFree Image from public domain licenseIcy Bay, Tyndall Glacier, and Mount St. Elias. Original public domain image from Flickr https://www.rawpixel.com/image/3392249/free-photo-image-snowy-glacier-aerialFree Image from public domain licenseLACL Silver Salmon Creek in summerNPS / K. Lewandowski. Original public domain image from Flickr https://www.rawpixel.com/image/3392378/free-photo-image-abies-alaska-national-park-serviceFree Image from public domain licenseGuyot Glacier and WaterfallsNPS / Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/3392427/free-photo-image-aerial-view-alaskaFree Image from public domain licenseTaken by NPS / Jim Pfeiffenberger. Original public domain image from Flickr https://www.rawpixel.com/image/3392512/free-photo-image-alaska-animal-birdFree Image from public domain licenseOrca whale surfacing in the Alaskan sea. Original public domain image from Flickr https://www.rawpixel.com/image/3392506/free-photo-image-orca-alaska-animalFree Image from public domain licenseRed salmon when returning from the ocean are sometimes referred to as bluebacks before they become red and their heads turn… https://www.rawpixel.com/image/4031590/photo-image-fish-animalFree Image from public domain licenseWRST epic viewNPS / B. Petrtyl. Original public domain image from Flickr https://www.rawpixel.com/image/3392390/free-photo-image-alaska-national-park-service-cc0Free Image from public domain licenseTebay River (3)NPS / Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/3392439/free-photo-image-aerial-view-alaskaFree Image from public domain licenseTaken by NPS / Jim Pfeiffenberger. Original public domain image from Flickr https://www.rawpixel.com/image/3392515/free-photo-image-alaska-animal-bald-eagleFree Image from public domain licenseA detail of the rocks of Calico bluff in Yukon-Charley Rivers National Preserve.NPS Photo / Sean Tevebaugh 2016. Original… https://www.rawpixel.com/image/3392513/free-photo-image-alaska-animal-cc0Free Image from public domain licenseTaken by NPS / Jim Pfeiffenberger. Original public domain image from Flickr https://www.rawpixel.com/image/3392511/free-photo-image-alaska-animal-cc0Free Image from public domain licenseGuyot Hills, Icy Bay, and Mount St. EliasNPS / Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/3392411/free-photo-image-aerial-alaska-national-park-serviceFree Image from public domain licenseThe sun rises over the northern portion of the Brooks Range near the village of Anaktuvuk Pass, Alaska.NPS / DevDharm… https://www.rawpixel.com/image/3392452/free-photo-image-adventure-alaska-brooks-rangeFree Image from public domain licenseA snapshot of the western Brooks Range from the air, over Gates of the Arctic National Preserve.NPS / DevDharm Khalsa.… https://www.rawpixel.com/image/3392471/free-photo-image-aerial-view-alaskaFree Image from public domain licenseTaken by NPS / Jim Pfeiffenberger. Original public domain image from Flickr https://www.rawpixel.com/image/3392497/free-photo-image-alaska-animal-bearFree Image from public domain licenseSeals in the sea. Original public domain image from Flickr https://www.rawpixel.com/image/3392218/free-photo-image-alaska-national-park-service-animalFree Image from public domain licenseSeracs on the Kennicott Glacier. Original public domain image from Flickr https://www.rawpixel.com/image/4039440/photo-image-background-nature-mountainFree Image from public domain licenseSalmon require cold, fast-flowing streams and rivers to spawn. Alaska’s Yukon River. Original public domain image from… https://www.rawpixel.com/image/4039474/photo-image-wallpaper-nature-waterFree Image from public domain licenseA brown bear sow with two spring cubs Photo courtesy M. WhalenA brown bear sow with two spring cubs. https://www.rawpixel.com/image/4031704/photo-image-animal-public-domainFree Image from public domain licenseSITK totem polesNPS photo. Original public domain image from Flickr https://www.rawpixel.com/image/3392395/free-photo-image-alaska-national-park-service-architectureFree Image from public domain licenseKATM 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 licenseWetlands along the Kobuk RiverNPS Photo by Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/3392477/free-photo-image-aerial-view-alaska-algaeFree Image from public domain licenseDriftwoodNPS Photo by Neal Herbert. Original public domain image from Flickr https://www.rawpixel.com/image/3392487/free-photo-image-alaska-bering-land-bridge-national-preserve-cc0Free Image from public domain licenseSummit Lake and Tebay RiverNPS / Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/3392446/free-photo-image-aerial-view-alaskaFree Image from public domain licenseBarkley Ridge Along Bagley IcefieldNPS / Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/3392436/free-photo-image-aerial-alaska-national-park-serviceFree Image from public domain licenseTaken by NPS / Jim Pfeiffenberger. Original public domain image from Flickr https://www.rawpixel.com/image/3392510/free-photo-image-alaska-animal-bearFree Image from public domain licenseGAAR Small tarn in a hidden valley in the Itkillik PreserveNPS / C. Cook. Original public domain image from Flickr https://www.rawpixel.com/image/3392400/free-photo-image-alaska-national-park-service-cc0Free Image from public domain licenseSunset above the Yukon River in Yukon-Charley Rivers National Preserve. NPS Photo / Sean Tevebaugh 2016. Original public… https://www.rawpixel.com/image/3392508/free-photo-image-alaska-architecture-azure-skyFree Image from public domain licenseTaken by NPS / Jim Pfeiffenberger. Original public domain image from Flickr https://www.rawpixel.com/image/3392500/free-photo-image-alaska-animal-beakFree Image from public domain licenseHead of Columbus Glacier and Mount St. Elias. Original public domain image from Flickr https://www.rawpixel.com/image/3392254/free-photo-image-aerial-alaska-national-park-serviceFree Image from public domain license