Arizona Garden, Hotel Del Monte, Monterey by Carleton Watkins https://www.rawpixel.com/image/14277923/arizona-garden-hotel-del-monte-monterey-carleton-watkinsFree Image from public domain licenseMushroom growing on a tree in the moist spruce-fir forest. Original public domain image from Flickr https://www.rawpixel.com/image/3325896/free-photo-image-agaric-amanita-cc0Free Image from public domain licenseA vineyard worker hoeing the ground in preparation for planting vines. Woodcut by J. Amman. https://www.rawpixel.com/image/13959233/image-cartoon-person-artFree Image from public domain licenseFree leaves from green plant against pink wall photo, public domain fall CC0 image. https://www.rawpixel.com/image/5925721/photo-image-public-domain-leaves-plantFree Image from public domain licenseTwo elephants bathing in a stream in a jungle. Colour lithograph. https://www.rawpixel.com/image/13961121/two-elephants-bathing-stream-jungle-colour-lithographFree Image from public domain licenseBogor, Indonesia. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3285958/free-photo-image-forest-leaves-texture-greenFree Image from public domain licenseDead tree against cloudy sky. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3283835/free-photo-image-autumn-background-groundFree Image from public domain licensePalm tree in a greenhouse. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3284058/free-photo-image-home-plants-greenhouse-windowFree Image from public domain licenseWestern Painted TurtlePhoto by Courtney Celley/USFWS. Original public domain image from Flickr https://www.rawpixel.com/image/4028341/photo-image-plant-nature-waterFree Image from public domain licenseReelfoot NWR David Haggard. Original public domain image from Flickr https://www.rawpixel.com/image/3325960/free-photo-image-abies-bird-banding-birdsFree Image from public domain licenseA fungus (Russula species): three fruiting bodies, one sectioned. Watercolour, 1899. https://www.rawpixel.com/image/13968179/image-plant-watercolour-mushroomFree Image from public domain licenseRutting elk at the Slipper Ann wildlife viewing area of the C.M. Russell Refuge in souther Phillips County. September 21… https://www.rawpixel.com/image/3335560/free-photo-image-animal-antelope-bullFree Image from public domain licenseBasket of fresh oranges. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3304259/free-photo-image-cc0-citrus-fruit-creative-commonsFree Image from public domain licenseHurricane Ridge, Port Angeles, United States. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3300175/free-photo-image-abies-adventure-buildingFree Image from public domain licenseAn elegant house with a turret covered in snow in winter. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3303452/free-photo-image-architecture-house-abiesFree Image from public domain licenseEucalyptocrinus crinoid. Wenlock Limestone. Dudley Port. by William Hart https://www.rawpixel.com/image/14306829/eucalyptocrinus-crinoid-wenlock-limestone-dudley-port-william-hartFree Image from public domain licenseThe Temple of Luxor - Thebes. Head of Colossal Statue near the Entrance. by Francis Frith https://www.rawpixel.com/image/14292956/photo-image-plant-person-treeFree Image from public domain licenseUitzicht bij raam van Capucijner klooster van Taormine (1778) by Louis Ducros https://www.rawpixel.com/image/13738692/uitzicht-bij-raam-van-capucijner-klooster-van-taormine-1778-louis-ducrosFree Image from public domain licenseIndian Ladder Bluff, from the Banks of the River. by John Moran and J Storey https://www.rawpixel.com/image/14297571/indian-ladder-bluff-from-the-banks-the-river-john-moran-and-storeyFree Image from public domain licenseResidence of N.C. Carter, Esq., Willow Dale, San Gabriel by Carleton Watkins https://www.rawpixel.com/image/14323313/residence-nc-carter-esq-willow-dale-san-gabriel-carleton-watkinsFree Image from public domain licenseAspen, United States. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3294186/free-photo-image-abies-adventure-basinFree Image from public domain licenseA person standing in front of a mountain pond at the Grisons canton in Switzerland. Original public domain image from… https://www.rawpixel.com/image/3300369/free-photo-image-abies-cc0-coniferFree Image from public domain licenseAerial view of a cotton picking harvester, during the Ernie Schirmer Farms cotton harvest which has family, fellow farmers… https://www.rawpixel.com/image/3261704/free-photo-image-cotton-department-agriculture-farmFree Image from public domain licenseMansion House at Steepbank. [Cape Ann, Mass.] by John B Heywood https://www.rawpixel.com/image/14292853/mansion-house-steepbank-cape-ann-mass-john-heywoodFree Image from public domain licenseTuckerman's Ravine from the Glen Road. [White Mountain] by John B Heywood https://www.rawpixel.com/image/14291976/tuckermans-ravine-from-the-glen-road-white-mountain-john-heywoodFree Image from public domain licenseUnidentified rocky landscape with two people and houses in the background https://www.rawpixel.com/image/14306391/unidentified-rocky-landscape-with-two-people-and-houses-the-backgroundFree Image from public domain licensePowder shot during a backcountry ski tour located on Rodeo Ridge, east of Ogden on the Uinta-Wasatch-Cache National Forest… https://www.rawpixel.com/image/3839808/photo-image-tree-plant-personFree Image from public domain licenseBullock's OrioleBright yellow-orange bird with black and white wings berched on a leafy branch Credit NPS/Andy Bridges.… https://www.rawpixel.com/image/4033930/photo-image-plant-leaf-birdFree Image from public domain license