White-crowned sparrowSmall brown sparrow with its black and white crest raised, standing on the ground. Original public… https://www.rawpixel.com/image/4033556/photo-image-bird-animal Free 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-aquatic Free Image from public domain license
Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3303673/free-photo-image-abies-best-stone-pictures-images-blue-rocks-family-campground Free Image from public domain license
Sonsela Member overlooking Blue Mesa MemberCredit NPS-Stuart Holmes. Original public domain image from Flickr https://www.rawpixel.com/image/4033724/photo-image-nature-mountain-water Free Image from public domain license
A tunnel in the countryside. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3298474/free-photo-image-ruins-england-arch Free Image from public domain license
Ko Samui, Tambon Si Sunthon, Thailand. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3299365/free-photo-image-archaeology-architecture-balcony Free Image from public domain license
Lime Stone Quarry. [Rockland, Mass. and Vicinity] by F H Crockett https://www.rawpixel.com/image/14290377/lime-stone-quarry-rockland-mass-and-vicinity-crockett Free Image from public domain license
Gray Bricks with Irregular Patterns and ShapesA unique texture photographed in central Tokyo, Japan. https://www.rawpixel.com/image/11176835/image-background-texture-pattern Free Image from public domain license
Joshua Tree Seed CollectionAlt Text: A large pile of Joshua Tree (Yucca brevifolia) pods collected for later sorting and… https://www.rawpixel.com/image/9655085/photo-image-tree-wood-public-domain Free Image from public domain license
Uinta ground squirrel resting on a lichen-covered boulder by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038705/photo-image-bird-landscape Free Image from public domain license
Many Glacier - Pollock On Rock. Original public domain image from Flickr https://www.rawpixel.com/image/3310094/free-photo-image-aerial-view-animal-building Free Image from public domain license
Palette Sping terraces by Josh Spice. Original public domain image from Flickr https://www.rawpixel.com/image/4038148/photo-image-bird-nature-mountain Free Image from public domain license
Alpine views on the north side of Electric Peak by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038553/photo-image-flower-tree-plant Free Image from public domain license
Swallows' Nest, Lake St. Mary. [Estes' Park, Colorado] by Joseph Collier https://www.rawpixel.com/image/14291167/swallows-nest-lake-st-mary-estes-park-colorado-joseph-collier Free Image from public domain license
Winter Ice on Lake McDonald. Original public domain image from Flickr https://www.rawpixel.com/image/3309612/free-photo-image-winter-water-apgar-basin Free Image from public domain license
Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3287044/free-photo-image-arches-national-park-backpack-best-stone-pictures-images Free Image from public domain license
Black Oyster CatcherNPS Photo/ Paige Calamari. Original public domain image from Flickr https://www.rawpixel.com/image/4039795/photo-image-bird-nature Free Image from public domain license
Ruby Beach, United States. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3297115/free-photo-image-ruby-stone-animal-balance Free Image from public domain license
Smith Rock State Park. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3295712/free-photo-image-arid-best-stone-pictures-images-cc0 Free Image from public domain license
Pika in the Hoodoos near Mammoth by Janine Waller. Original public domain image from Flickr https://www.rawpixel.com/image/4039214/photo-image-wood-animal Free Image from public domain license
Washington, D.C. Construction of temporary war emergency buildings on the Mall, near 16th and 17th Streets, N.W. Piles of… https://www.rawpixel.com/image/12323734/image-plant-tree-wood Free Image from public domain license
Thermophiles of Whirligig Geyser's runoff channel by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4038050/photo-image-plant-nature-water Free Image from public domain license
Meltwater Stonefly (Lednia tumana). Original public domain image from Flickr https://www.rawpixel.com/image/3309817/free-photo-image-stonefly-algae-alpine Free Image from public domain license
Amphitheatre, Deer Park [The Valley of the Illinois] by D W S Rawson https://www.rawpixel.com/image/14297712/amphitheatre-deer-park-the-valley-the-illinois-rawson Free Image from public domain license
Deer Park, from Upper Park [The Valley of the Illinois] by D W S Rawson https://www.rawpixel.com/image/14297705/deer-park-from-upper-park-the-valley-the-illinois-rawson Free Image from public domain license
St. Mary's Lake, Looking South. [Estes' Park, Colorado] by Joseph Collier https://www.rawpixel.com/image/14289193/st-marys-lake-looking-south-estes-park-colorado-joseph-collier Free Image from public domain license
A Visit to the "Central Park" in the Summer of 1863. Cascade, North of the Meadows. by Thomas C Roche https://www.rawpixel.com/image/14285320/photo-image-water-public-domain-nature Free Image from public domain license
Rock paintings at the Great Gallery in Horseshoe Canyon. Original public domain image from Flickr https://www.rawpixel.com/image/4032990/photo-image-art-painting-public-domain Free Image from public domain license
Cleopatra's Temple at Erment, Near Thebes by Francis Frith https://www.rawpixel.com/image/14309423/cleopatras-temple-erment-near-thebes-francis-frith Free Image from public domain license
Texture background for motion picture and filmstrip. Stone wall. Sourced from the Library of Congress. https://www.rawpixel.com/image/12323919/image-background-texture-plant Free Image from public domain license
Texture background for motion picture and filmstrip titles. Stone wall. Sourced from the Library of Congress. https://www.rawpixel.com/image/12322743/image-background-texture-pattern Free Image from public domain license