U.S. Congress. Joint Committee to Investigate Dirigible Disasters, ca. 1933. Original public domain image from Flickr https://www.rawpixel.com/image/8799428/photo-image-vintage-public-domain-travelFree Image from public domain licenseLake Saint Mary on Going-to-the-Sun highway. Glacier National Park, Montana. Sourced from the Library of Congress. https://www.rawpixel.com/image/12241409/photo-image-plant-sky-forestFree Image from public domain licenseMuir Woods. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced by… https://www.rawpixel.com/image/421806/free-photo-image-forests-sequoia-coastFree Image from public domain licenseSummit of the Dolomites in the early morning https://www.rawpixel.com/image/2094637/misty-peak-italyView licenseGreat horned owl chick in cottonwood tree in Mammoth Hot Springs by Jim Peaco. Original public domain image from Flickr https://www.rawpixel.com/image/4039090/photo-image-tree-plant-birdFree Image from public domain licenseCalifornian redwood trees (Sequoia sempervirens (D.Don) Endl.): group of trees in the Mariposa Grove, California. Colour… https://www.rawpixel.com/image/13960468/image-plant-person-treeFree Image from public domain licenseGreater Earless Lizard in the Big Bend National Park, United States https://www.rawpixel.com/image/426953/free-photo-image-dragon-lizard-desertView licenseSandstone Pillars, Arches National Park, Utah. Old Mammoth Road. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/433869/free-photo-image-rock-arch-landscape-americaFree Image from public domain licenseMassive bridge-like arch at Arches National Park. https://www.rawpixel.com/image/2349884/massive-bridge-like-arch-arches-national-parkView licenseThe Milky Way across the night sky in Yosemite Valley California, USA https://www.rawpixel.com/image/429952/free-photo-image-city-lights-starry-night-galaxyView license[Untitled photo, possibly related to: Fanny Corbin, the mother of twenty-two children, Shenandoah National Park, Virginia].… https://www.rawpixel.com/image/12305570/image-face-hand-personFree Image from public domain licenseSimien Mountains National Park, Ethiopia. Original public domain image from Flickr https://www.rawpixel.com/image/3372530/free-photo-image-mountains-goat-animalFree Image from public domain licenseLake Saint Mary on Going-to-the-Sun Highway. Glacier National Park, Montana. Sourced from the Library of Congress. https://www.rawpixel.com/image/12247352/photo-image-cloud-plant-skyFree Image from public domain licenseRed-breasted nuthatch near Northeast Entrance by Jim Peaco. Original public domain image from Flickr https://www.rawpixel.com/image/4038789/photo-image-tree-plant-birdFree Image from public domain licenseResults of forest fires in Glacier National Park, Montana. Sourced from the Library of Congress. https://www.rawpixel.com/image/12247393/photo-image-cloud-plant-firesFree Image from public domain license[Untitled photo, possibly related to: Grand Teton National Park, Wyoming]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12247620/photo-image-plant-sky-forestFree Image from public domain license[Untitled photo, possibly related to: Grand Teton National Park, Wyoming]. Sourced from the Library of Congress. https://www.rawpixel.com/image/12247566/photo-image-cloud-plant-skyFree Image from public domain licenseResults of forest fires in Glacier National Park, Montana. Sourced from the Library of Congress. https://www.rawpixel.com/image/12247327/photo-image-cloud-plant-firesFree Image from public domain licenseGeneral view of Rocky Mountains west of Continental Divide seen from top of Logan Pass on Going-to-the-Sun highway. Glacier… https://www.rawpixel.com/image/12247389/photo-image-cloud-sky-sunFree Image from public domain licenseResults of forest fires in Glacier National Park, Montana. Sourced from the Library of Congress. https://www.rawpixel.com/image/12247606/photo-image-cloud-plant-firesFree Image from public domain licenseResults of forest fires in Glacier National Park, Montana. Sourced from the Library of Congress. https://www.rawpixel.com/image/12247377/photo-image-plant-fires-skyFree Image from public domain licenseMountains seen from highway. Glacier National Park, Montana. Sourced from the Library of Congress. https://www.rawpixel.com/image/12247611/photo-image-plant-sky-forestFree Image from public domain licenseGeneral view of Rocky Mountains west of Continental Divide seen from top of Logan Pass en route to the Sun highway. Glacier… https://www.rawpixel.com/image/12247608/photo-image-plant-sky-forestFree Image from public domain licenseGeneral view of Rocky Mountains west of Continental Divide seen from top of Logan Pass on Going-to-the-Sun highway. Glacier… https://www.rawpixel.com/image/12247561/photo-image-cloud-plant-skyFree Image from public domain license[Untitled photo, possibly related to: General view of Rocky Mountains west of Continental Divide seen from top of Logan Pass… https://www.rawpixel.com/image/12247628/photo-image-plant-sky-forestFree Image from public domain licenseAnimal Wildlife Word with Bird Graphic https://www.rawpixel.com/image/1100685/image-rawpixelcomView licenseAnimal Wildlife Word with Parrot Graphic https://www.rawpixel.com/image/1100583/image-rawpixelcomView licenseAnimal Wildlife Word with Bear Graphic https://www.rawpixel.com/image/1100628/image-rawpixelcomView licenseAnimal Wildlife Word with Giraffe Graphic https://www.rawpixel.com/image/1100633/image-rawpixelcomView licenseAnimal Wildlife Word with Parrot Graphic https://www.rawpixel.com/image/1100611/image-rawpixelcomView licenseAnimal Wildlife Word with Giraffe Graphic https://www.rawpixel.com/image/1100639/image-rawpixelcomView licensehand, person, arts, animal https://www.rawpixel.com/image/1100649/image-rawpixelcomView licenseAnimal Wildlife Word with Lion Graphic https://www.rawpixel.com/image/1100609/image-rawpixelcomView license