Astronauts walking on Mars during a dust storm (1989) illustrated by NASA/Paul DiMare. Original public domain image from… https://www.rawpixel.com/image/10184742/image-astronaut-face-personFree Image from public domain licenseA map of the world on a globular projection : exhibiting particularly the nautical researches of Captain James Cook, F.R.S.… https://www.rawpixel.com/image/9685933/image-hand-art-spacesFree Image from public domain licenseDirect capture (ca. 1811) by Mentzer Family Member. Original from Smithsonian Institution. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/7617046/image-art-vintage-public-domainFree Image from public domain licenseAntique compass png clipart, travel object illustration on transparent background. Free public domain CC0 graphic https://www.rawpixel.com/image/6258970/png-sticker-vintageFree PNG from public domain licenseArtist Illustration of Dragon to Mars (2015). Original from Official SpaceX Photos. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2229675/official-space-photosFree Image from public domain licenseThe interstellar exploration through the galaxy. Original from Official SpaceX Photos. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2229586/outer-space-explorationFree Image from public domain licenseThe Mackenzie River in the Northwest Territories, Canada. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/439973/map-green-terrain-canadaFree Image from public domain licenseHot air balloon over the water. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3338116/free-photo-image-moon-sea-oceanFree Image from public domain licenseMountain ridges showing the distinctive geology of the Geikie Plateau region in eastern Greenland. Original from NASA.… https://www.rawpixel.com/image/440139/the-geikie-plateauFree Image from public domain licenseCrew Dragon Artist Depiction (2014). Original from Official SpaceX Photos. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2229598/official-space-photosFree Image from public domain licenseWoman sits in an Aztec blanket watching the desert sunset. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3284726/free-photo-image-person-sand-dune-people-nature-desertFree Image from public domain licenseHeilongjiang, a province of China located in the northeastern part of the country. Original from NASA. Digitally enhanced by… https://www.rawpixel.com/image/440587/heilongjiang-province-space-viewFree Image from public domain licenseWoman exploring the forest in Stone Mountain State Park, Roaring Gap, United States. Original public domain image from… https://www.rawpixel.com/image/3284464/free-photo-image-forest-woman-winterFree Image from public domain licenseOn July 20, the U.S. Coast Guard Cutter Healy steamed south in the Arctic Ocean toward the edge of the sea ice. Original… https://www.rawpixel.com/image/440132/icy-seaFree Image from public domain licenseGuinea-Bissau, a small country in West Africa. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/418619/guinea-bissauFree Image from public domain licenseThe Soyuz TMA-09M spacecraft departs from the International Space Station Zvezda Service Module and heads toward a landing… https://www.rawpixel.com/image/418615/spacecraft-departsFree Image from public domain licenseThe interstellar exploration through the galaxy. Original from Official SpaceX Photos. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2229767/outer-space-explorationFree Image from public domain licensePhysical map of the world (April 2001) chromolithograph art. Original public domain image from Digital Commonwealth.… https://www.rawpixel.com/image/9700629/image-art-vintage-planetFree Image from public domain licenseJCSAT–14 Launch (2016). Original from Official SpaceX Photos. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2229748/official-space-photosFree Image from public domain licenseAmazing image of the United States of America at night. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/418612/the-united-states-america-nightFree Image from public domain licenseMap sampler. Original public domain image from Smithsonian. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/9700482/image-background-flowers-artFree Image from public domain licenseThe Channel Tunnel, a 50.5 km-long rail tunnel beneath the English Channel at the Straits of Dover. Original from NASA.… https://www.rawpixel.com/image/441134/channel-tunnel-space-viewFree Image from public domain licenseLa Halle aux Blés, Street Plan (ca. 1810) by Pierre François Léonard Fontaine. Original from The MET… https://www.rawpixel.com/image/2041110/halle-aux-bles-street-planFree Image from public domain licenseThórsmörk, Iceland. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3286331/free-photo-image-people-and-landscape-nature-travel-car-northern-lightsFree Image from public domain licenseArches National Park, Moab, United States. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3286167/free-photo-image-adventure-vacation-campingFree Image from public domain licenseA woman walking her dog in a snowy spruce forest in Boží Dar. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3284711/free-photo-image-dog-walk-love-nature-and-animalsFree Image from public domain licenseA woman with long hair in a red dress stands at the entrance of a snowy forest. Original public domain image from Wikimedia… https://www.rawpixel.com/image/3284619/free-photo-image-dress-woman-forestFree Image from public domain licenseAir Force in Space (1995) illustrated by Tish Tompkins. Original public domain image from Wikimedia Commons. Digitally… https://www.rawpixel.com/image/10184890/image-astronaut-face-personFree Image from public domain licenseHikers at Cutbank Pass Panorama. Original public domain image from Flickr https://www.rawpixel.com/image/3312494/free-photo-image-hiking-landscape-travelling-destinationFree Image from public domain licenseBlack coffee mug. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3283736/free-photo-image-cup-camping-coffee-treeFree Image from public domain licenseThe milky way galaxy and a person's silhouette at nighttime in Kôprovský štít. Original public domain image from Wikimedia… https://www.rawpixel.com/image/3285206/free-photo-image-galaxy-light-skyFree Image from public domain licenseFree Father and Daughter during sunset image, public domain scenery CC0 photo. https://www.rawpixel.com/image/5915237/image-public-domain-trees-plantFree Image from public domain licenseSurfer carrying his board at sunset. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3284643/free-photo-image-tropic-summer-people-silhouetteFree Image from public domain licenseWoman standing on a golden hay field. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3284235/free-photo-image-women-hat-travel-farm-natureFree Image from public domain licenseA couple enjoys the view and the recreation available at the campgrounds at Wade Lake in the Beaverhead-Deerlodge National… https://www.rawpixel.com/image/3306145/free-photo-image-camping-summer-holidays-mountainFree Image from public domain licenseNearly cloud-free view of Great Britain and Ireland was acquired by the Moderate Resolution Imaging Spectroradiometer aboard… https://www.rawpixel.com/image/440141/great-britain-space-viewFree Image from public domain licenseMan skateboarding on asphalt next to forest during sunset. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3336871/free-photo-image-adventure-adventurer-cc0Free Image from public domain licenseAstronaut Edwin E Aldrin Jr, Lunar Module (LM) pilot descends from the LM, climbing down the ladder. Original from NASA.… https://www.rawpixel.com/image/418665/astronaut-edwin-aldrin-jrFree Image from public domain licenseCamping in the mid of the woods. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3285140/free-photo-image-photo-orange-greenery-campingFree Image from public domain licenseOffshore Platforms Can Survive Sea Ice. Original public domain image from Flickr https://www.rawpixel.com/image/4042502/photo-image-background-light-oceanFree Image from public domain licenseVintage European map (1602) by William Kip. Original from the Yale University Art Gallery. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/7616975/image-art-vintage-public-domainFree Image from public domain licenseCar driving through the frozen road. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3338015/free-photo-image-nature-travel-storm-adventureFree Image from public domain licenseA map of the world on a globular projection : exhibiting particularly the nautical researches of Captain James Cook, F.R.S.… https://www.rawpixel.com/image/9425490/image-hand-art-spacesFree Image from public domain licenseAstronaut Jeffrey N. Williams during EVA 5 on Expedition 13. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/440829/astronaut-spaceFree Image from public domain licenseAmerican Radiator Company's trade card (1892) chromolithograph art. Original public domain image from Digital Commonwealth.… https://www.rawpixel.com/image/9700355/image-background-art-vintageFree Image from public domain licenseFull views of Mir Space Station after undocking during flyaround. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/440660/space-stationFree Image from public domain licenseReaching to the green. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3284803/free-photo-image-people-forest-hand-reach-rainbowFree Image from public domain licenseA white pennant that says explore on a dark wooden floor. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282535/free-photo-image-travel-pennant-flagFree Image from public domain licenseA blurry shot of a woman in shorts against a blue sky. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3336894/free-photo-image-dance-travel-kids-clothingFree Image from public domain licenseDebris plot photo by NASA. Original public domain image from Wikimedia Commons. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/10184875/image-galaxy-space-skyFree Image from public domain licenseA woman wearing a white eyelet top, green shorts, and a camera hanging around her neck in Es Vedra. Original public domain… https://www.rawpixel.com/image/3284323/free-photo-image-dress-mountain-touristFree Image from public domain licenseAlone in Space - Astronomers Find New Kind of Planet (2011) photo by NASA/JPL-Caltech. Original public domain image from… https://www.rawpixel.com/image/10184856/image-galaxy-moon-spaceFree Image from public domain licenseCRS–8 first stage landing (2016). Original from Official SpaceX Photos. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/2229746/official-space-photosFree 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 licenseA new map of England Scotland and Ireland (1687), drawn by Robert Morden. Original public domain image from Digital… https://www.rawpixel.com/image/12230723/image-art-vintage-seaFree Image from public domain licensePhotograph of MSC-8 color patch outside spacecraft during docking. Original from NASA. Digitally enhanced by rawpixel. https://www.rawpixel.com/image/441719/msc-8-color-patchFree Image from public domain licenseThree balloons travel over a polar landscape: proposed method of reaching the North Pole by J.P. Cheyne. Coloured wood… https://www.rawpixel.com/image/13970673/image-dog-cartoon-personFree Image from public domain licenseA hand holding a compass with green background. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282769/free-photo-image-flower-compass-finger-ringFree Image from public domain licenseAmeland, Netherlands. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3336830/free-photo-image-photography-people-walking-fieldFree Image from public domain licenseAn iceberg embedded in sea ice as seen from the IceBridge DC-8 over the Bellingshausen Sea on Oct. 19, 2012. Original from… https://www.rawpixel.com/image/440094/icebergFree Image from public domain licenseCamping under starry sky. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3284999/free-photo-image-summer-forest-wayFree Image from public domain licenseA man and a woman standing outdoors hold hands. She has a tattoo on her arm. Original public domain image from Wikimedia… https://www.rawpixel.com/image/3336898/free-photo-image-hands-love-togetherFree Image from public domain licenseExploring the alpine terrain. Original public domain image from Flickr https://www.rawpixel.com/image/3392224/free-photo-image-outdoor-mountain-view-landscapeFree Image from public domain licenseDriving around a turn on a forest road in the winter at Lake Arrowhead in California. Original public domain image from… https://www.rawpixel.com/image/3285198/free-photo-image-adventure-asphalt-blizzardFree Image from public domain licenseSunrise drive in Lamar Valley by Jacob W. Frank. Original public domain image from Flickr https://www.rawpixel.com/image/4225759/photo-image-light-public-domain-natureFree Image from public domain licenseNASA’s Operation IceBridge Completes Twin Polar Campaigns. Heimdal Glacier in southern Greenland. Original from NASA.… https://www.rawpixel.com/image/440099/heimdal-glacier-southern-greenlandFree Image from public domain licenseThe Gemini-12 spacecraft during standup extravehicular activity with the hatch open. Original from NASA. Digitally enhanced… https://www.rawpixel.com/image/418677/the-gemini-12-spacecraftFree Image from public domain licenseBackpackers exploring the Root Glacier. Original public domain image from Flickr https://www.rawpixel.com/image/3392258/free-photo-image-nature-people-walking-womanFree Image from public domain licenseMan standing near glacier. Original public domain image from Flickr https://www.rawpixel.com/image/3306187/free-photo-image-sea-ice-mountain-vacation-winterFree Image from public domain licenseAt NASA Kennedy Space Center's Shuttle Landing Facility, a Gulfstream III jet is preparing to take off with space shuttle… https://www.rawpixel.com/image/441127/air-craft-the-runwayFree Image from public domain licenseA low shot of a man in leather boots carrying a brown leather bag. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3284362/free-photo-image-people-businessman-backpackFree Image from public domain licenseCamping under the starry night sky. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3285115/free-photo-image-camping-adventure-starry-skyFree Image from public domain licenseA blonde woman with a backpack looking at the Golden Gate Bridge. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3336866/free-photo-image-person-woman-travellerFree Image from public domain licensePerson holding flag with explore word. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3336786/free-photo-image-person-explorer-travel-destine-astronautFree Image from public domain licenseA person taking a photograph of the lake, mountains, and trees in North Cascades National Park. Original public domain image… https://www.rawpixel.com/image/3336850/free-photo-image-mountain-vacation-adventureFree Image from public domain licenseGongga Snow Mountain Cloud On Foot Mountaineer. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3337875/free-photo-image-snow-camping-landscape-travelFree Image from public domain licenseWoman walking through a field. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3284699/free-photo-image-woman-grass-cc0Free Image from public domain licenseMurphy Oil offshore in the Gulf of Mexico. Original public domain image from Flickr https://www.rawpixel.com/image/4042504/photo-image-ocean-sea-waterFree Image from public domain licenseMan with a camera in Trapp, United Kingdom. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3283995/free-photo-image-men-travel-film-cameraFree Image from public domain licenseCity Night Lights. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3336844/free-photo-image-control-dashboard-cockpitFree Image from public domain licenseA hand holding a compass with sea background. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3282809/free-photo-image-jewelry-compass-explore-ocean-seaFree Image from public domain licenseHumans on Mars (1995) illustrated by NASA/Pat Rawlings. Original public domain image from Wikimedia Commons. Digitally… https://www.rawpixel.com/image/10184929/image-astronaut-face-personFree Image from public domain licenseA person with ice climbing gear strapped to a harness on an ice wall. Original public domain image from Wikimedia Commons https://www.rawpixel.com/image/3336801/free-photo-image-mountain-climbing-rope-rockFree Image from public domain license