Venus comb from The Book Of The Ocean published by Century Co. (1898). Original from the British Library. Digitally enhanced… https://www.rawpixel.com/image/572718/venus-comb-shellFree Image from public domain license
Carlisle, Pennsylvania. Frozen ground. Sourced from the Library of Congress. https://www.rawpixel.com/image/12292444/photo-image-plant-public-domain-natureFree Image from public domain license
U.S. Navy Lt. Kristin Hope, from Ogden, Utah, signals for the launch of an F/A-18E Super Hornet from Strike Fighter Squadron… https://www.rawpixel.com/image/8728045/photo-image-airplane-public-domain-personFree Image from public domain license
Prickly pears. A growth of these threatens to cover pastures of Sheridan County, Kansas. The FSA (Farm Security… https://www.rawpixel.com/image/12169032/image-background-plant-artFree Image from public domain license
[Untitled photo, possibly related to: Cutting lettuce. Canyon County, Idaho] by Russell Lee https://www.rawpixel.com/image/12150972/image-background-plant-artFree Image from public domain license
190625-N-WI365-1127 CORAL SEA (June 25, 2019) – The amphibious dock landing ship USS Ashland (LSD 48) conducts a… https://www.rawpixel.com/image/8728358/photo-image-public-domain-shipFree Image from public domain license