Iedereen fotografeert (1901) by Johann Georg van Caspel. Original from The Rijksmuseum. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2909980/free-illustration-image-poster-vintageFree Image from public domain licenseThis illustration shows HD 189733b, a huge gas giant true blue planet that orbits very close to its host star HD 189733… https://www.rawpixel.com/image/440174/planet-earthFree Image from public domain licenseReflections—Venice (1894) by Alfred Stieglitz. Original from The Art Institute of Chicago. Digitally enhanced by… https://www.rawpixel.com/image/3809195/photo-image-art-vintage-waterFree Image from public domain licenseInfantry combat scene in Bougainville, France (1914). Original image from National Museum of Health and Medicine. Digitally… https://www.rawpixel.com/image/2298620/free-photo-image-war-vintage-soldierFree Image from public domain licenseA total lunar eclipse begins as the full moon is shadowed by the Earth on the arrival of the winter solstice, December 21… https://www.rawpixel.com/image/440681/free-photo-image-moon-winter-solsticeFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434441/free-photo-image-national-parks-snow-animalFree Image from public domain licenseFree gradient blue painting texture background image, public domain CC0 photo. https://www.rawpixel.com/image/5924578/photo-image-background-texture-public-domainFree Image from public domain licenseSoldiers doing calisthenics, Camp Roberts, California (1942). Original image from National Museum of Health and Medicine.… https://www.rawpixel.com/image/2298589/free-photo-image-vintage-black-and-white-healthFree Image from public domain licenseEmergency hospital during influenza epidemic, Camp Funston, Kansas (1918). Original image from National Museum of Health and… https://www.rawpixel.com/image/2298586/free-photo-image-spanish-flu-pandemic-covidFree Image from public domain licenseOdyssey over Martian Sunrise, 3-D Artist Concept. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/440507/odyssey-over-martian-sunriseFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434438/free-photo-image-bison-buffalo-carol-highsmithFree Image from public domain licenseThe barren Nevada desert near Las Vegas. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/434019/the-barren-nevada-desertFree Image from public domain licenseThe 1950s historical photograph of the inside of an operating room suite during a surgical procedure. https://www.rawpixel.com/image/2288484/free-photo-image-surgery-doctor-medicalFree Image from public domain licenseCadillac Ranch food & fuel sign, Route 95, Winchester, Idaho (2004) photography in high resolution by John Margolies.… https://www.rawpixel.com/image/3797055/photo-image-blue-vintage-foodFree Image from public domain licenseC–46 air evacuation during World War II from Manila, Philippine Islands. Patients in bunks in a plane. Nurse in… https://www.rawpixel.com/image/2298594/free-photo-image-world-war-vintage-peopleFree Image from public domain licenseConstruction of the new NASA Ames Green Building dubbed Sustainability Base located on the Ames Research Center campus at… https://www.rawpixel.com/image/440765/solar-energyFree Image from public domain licenseAmerican bison, or buffaloes, in Yellowstone National Park in the northwest corner of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/433750/bisonFree Image from public domain licenseA worker wearing a protective mask and suit. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2288458/free-photo-image-cleaning-clean-sprayFree Image from public domain licenseAerial view of New York City, in which the World Trade Center Twin Towers is prominent. Original image from Carol M.… https://www.rawpixel.com/image/421944/free-photo-image-skyline-new-york-architectureFree Image from public domain licenseA handsome specimen of the saguaro cactus, famous for its uplifted “arms,” in desert country near Morristown… https://www.rawpixel.com/image/582392/carol-highsmiths-arizona-photographFree Image from public domain licenseBeautiful horses romp at the Cannon Quarter Horse Ranch near Venus, Texas. Original image from Carol M. Highsmith’s… https://www.rawpixel.com/image/434285/free-photo-image-horse-equestrian-wild-horsesFree Image from public domain licenseThe 1950s historical photograph of a nurse taking her blood pressure of a woman ordnance worker in the hospital. https://www.rawpixel.com/image/2288456/free-photo-image-vintage-medical-nurseFree Image from public domain licenseThe 1950s historical photograph of an extreme air pollution event at Salt Lake City, Utah. Original image sourced from US… https://www.rawpixel.com/image/2288462/free-photo-image-street-vintage-smogFree Image from public domain licenseNeon sign for Billy Bob's legendary “boot-scootin’”western nighclub and honky-tonk bar in Fort Worth.… https://www.rawpixel.com/image/582695/carol-highsmiths-texas-photographFree Image from public domain licenseAerial view of New York City, in which the World Trade Center Twin Towers is prominent. Original image from Carol M.… https://www.rawpixel.com/image/421941/free-photo-image-new-york-architecture-twin-towersFree Image from public domain licenseScientist analyzing samples from industrial hygiene investigations. Original image sourced from US Government department:… https://www.rawpixel.com/image/2288461/free-photo-image-science-laboratory-scientistFree Image from public domain licenseGeorge Christopher, Postal Tel. 14 years old. Been at it over 3 years. Does not work nights. Nashville, Tenn, November 1910.… https://www.rawpixel.com/image/8765695/photo-image-vintage-kidFree Image from public domain licenseThe Amble: One Stride in Eleven Phases (1881) photography in high resolution by Eadweard Muybridge. https://www.rawpixel.com/image/7728179/photo-image-art-public-domain-creative-commonsFree Image from public domain licenseMedic giving first aid to soldier in Belgium, World War II. Original image from National Museum of Health and Medicine.… https://www.rawpixel.com/image/2298617/free-photo-image-war-pandemic-soldierFree Image from public domain licenseA tractor in Tunica County Mississippi. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/422077/free-photo-image-agriculture-farmer-tractorFree Image from public domain licenseNew Madrid County, Missouri. Sunflower heads in field, Southeast Missouri Farms by Russell Lee https://www.rawpixel.com/image/12108021/image-flower-plant-artFree Image from public domain licenseRustic cabin associated with the nearby Mast Farm Inn, and decorated with pumpkins for the fall season, in Valle Crucis… https://www.rawpixel.com/image/434610/free-photo-image-carol-highsmith-farm-americaFree Image from public domain licenseOutsized art piece in Northern Nevada at the "Burning Man" festival. Original image from Carol M. Highsmith’s America… https://www.rawpixel.com/image/3090735/free-photo-image-high-resolution-art-nevadaFree Image from public domain licenseU.S. Embarkation Camp, Pauillac, Gironde, France. Men lowering caskets into graves at the funerals of a soldier and a sailor… https://www.rawpixel.com/image/2298585/free-photo-image-funeral-black-and-white-graveFree Image from public domain licenseLonghorn cow and her calf at the 1,800-acre Lonesome Pine Ranch, a working cattle ranch that is part of the Texas Ranch Life… https://www.rawpixel.com/image/582688/carol-highsmiths-texas-photographFree Image from public domain licenseSanctuary of the Nativity of Mary, Blessed Virgin Catholic Church, also known as the St. Mary Catholic Church, in High Hill… https://www.rawpixel.com/image/582681/carol-highsmiths-texas-photographFree Image from public domain licenseBull elk in Yellowstone National Park, in the northwest corner of the western state of Wyoming. Original image from Carol M.… https://www.rawpixel.com/image/434424/free-photo-image-yellowstone-carol-highsmith-national-parkFree Image from public domain licenseSilhouetted windmill in Texas. Original image from Carol M. Highsmith’s America, Library of Congress collection.… https://www.rawpixel.com/image/3094487/free-photo-image-windmill-trees-americaFree Image from public domain licenseHospital train 64, Allery, France, unloading a hospital train full of influenza patients during World War I. Original image… https://www.rawpixel.com/image/2298623/free-photo-image-world-war-trainFree Image from public domain licenseFalcon Heavy Demo Mission (2018). Original from Official SpaceX Photos. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2229791/official-space-photosFree Image from public domain licenseElk at the U.S. Fish & Wildlife Service's elk refuge in Jackson Hole, Wyoming, a valley on the edge of Grand Teton National… https://www.rawpixel.com/image/434448/free-photo-image-elk-snow-winterFree Image from public domain licenseBloodletting: The Wound Man. Shows sites for the ligation of arteries for bloodletting.Original public domain image from… https://www.rawpixel.com/image/8786479/image-art-person-photoFree Image from public domain licenseThe blacklegged ticks, Ixodes pacificus known for the zoonotic spirochetal bacteria, Borrelia burgdorferi. https://www.rawpixel.com/image/2288467/free-photo-image-tick-insect-animalFree Image from public domain licenseRaccoon, Procyon lotor, a vector in the transmission of rabies to humans and other animals. Original image sourced from US… https://www.rawpixel.com/image/2288472/free-photo-image-fox-animal-animals-public-domainFree Image from public domain licenseThe Sphynx and Great Pyramid, Geezah. Original from the Minneapolis Institute of Art. https://www.rawpixel.com/image/7654511/photo-image-vintage-art-public-domainFree Image from public domain licenseBase Hospital 37, Dartford, England with tent during influenza epidemic. Original image from National Museum of Health and… https://www.rawpixel.com/image/2298604/free-photo-image-tent-black-and-white-vintage-photographyFree Image from public domain licenseKaylei Weed, her sons Earl Lebeau (left) and Baptiste Lebeau, and her mother, Elaine Ethel Weed, are members of the Eastern… https://www.rawpixel.com/image/582761/carol-highsmiths-wyoming-photographFree Image from public domain licenseNight view of Sochi, Russia during Olympics. Feb 10th, 2014. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/440134/free-photo-image-milky-way-sochi-night-lightFree Image from public domain licenseYosemite Valley, California is located on the western slope of the Sierra Nevada mountains, 150 miles (240 km) due east of… https://www.rawpixel.com/image/421750/free-photo-image-mount-carol-californiaFree Image from public domain licenseTiger Hunting (1849–1917) animal illustration by John Charlton. Original public domain image from Yale Center for… https://www.rawpixel.com/image/10103462/image-tiger-art-vintageFree Image from public domain licenseFurman Owens, 12 years old. Can't read. Don't know A, B, C's. "Yes I want to learn but can't when I work all the time,"… https://www.rawpixel.com/image/8765913/photo-image-face-vintage-kidFree Image from public domain licenseHavasu Creek flows past a campground between Mooney Falls and Havasu Falls — two of the five Havasupai waterfalls deep… https://www.rawpixel.com/image/582238/carol-highsmiths-arizona-photographFree Image from public domain licenseNASA's Boeing 747SP SOFIA airborne observatory soars over a bed of puffy clouds during its second checkout flight over the… https://www.rawpixel.com/image/440759/free-photo-image-plane-airplane-shipFree Image from public domain licenseThe space shuttle Atlantis is seen shortly after the rotating service structure (RSS) was rolled back at launch pad 39a… https://www.rawpixel.com/image/440696/free-photo-image-nasa-astronaut-spacecraftFree Image from public domain licenseFall scene on a stretch of roadway along the southern reaches of the Blue Ridge Parkway, near Blowing Rock, North Carolina. https://www.rawpixel.com/image/434611/free-photo-image-road-autumn-trees-sceneFree Image from public domain licenseMitre Peak, Milford Sound, NZ. From the album: 'Australasian scenery' (1880s) by Frank Coxhead. https://www.rawpixel.com/image/13027560/photo-image-mountain-face-public-domainFree Image from public domain licenseCrowd watch daredevil preparing to dive into water from cycle down elevated incline, state fair, Donaldsonville, Louisiana… https://www.rawpixel.com/image/12107747/image-person-art-skyFree Image from public domain licenseVisitor center neon sign in Tunica, Mississippi. Original image from Carol M. Highsmith’s America, Library of Congress… https://www.rawpixel.com/image/3090969/free-photo-image-music-night-americaFree Image from public domain licenseGreen broccoli undergoing a thorough cleansing. Original image sourced from US Government department: Public Health Image… https://www.rawpixel.com/image/2288509/free-photo-image-vegetable-broccoli-greenFree Image from public domain licenseA doctor providing consult for a patient. Original image sourced from US Government department: Public Health Image Library… https://www.rawpixel.com/image/2288498/free-photo-image-doctor-patient-healthcareFree Image from public domain licenseSaguaro cacti — native to Arizona and a bit of California and northern Mexico — display their upturned… https://www.rawpixel.com/image/582297/carol-highsmiths-arizona-photographFree Image from public domain licenseThe rugged landscape of the Canary Islands. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/440194/free-photo-image-africa-canary-islands-nasaFree Image from public domain licenseTwo parasol mushrooms (Lepiota procera) and a shaggy parasol mushroom (Lepiota rhacodes). Watercolour, 1898. https://www.rawpixel.com/image/13957285/image-plant-watercolour-black-backgroundFree Image from public domain license"He can rustle de poipers" another boy said, April 1912. Photographer: Hine, Lewis. Original public domain image from Flickr https://www.rawpixel.com/image/8765738/photo-image-vintage-public-domain-kidFree Image from public domain licenseBoy from Loray Mill. "Been at it right smart two years." Gastonia, N.C, November 1908. Photographer: Hine, Lewis. Original… https://www.rawpixel.com/image/8765583/photo-image-vintage-public-domain-kidFree Image from public domain license