Pacific Coast Sunset at Monterey, California. Original image from Carol M. Highsmith’s America, Library of Congress… Free Image from public domain license 
On board the International Space Station NASA astronaut Scott Kelly captured this blue water image. Original from NASA .… Free Image from public domain license 
Shells in seaweed by Mary Altha Nims (1817–1907). Original from The Cleveland Museum of Art. Digitally enhanced by… Free Image from public domain license 
Stanford's Compendium of Geography and Travel based on Hellwald's “Die Erde und ihre Völker” (1878) by Edward… Free Image from public domain license 
Mackenzie Bay, Antarctica and the ice shelf on February 12, 2012., Original from NASA. Digitally enhanced by rawpixel. Free Image from public domain license 
Warming Seas and Melting Ice Sheets. Original from NASA. Digitally enhanced by rawpixel. Free Image from public domain license 
A turtle glides through the water at the Texas State Aquarium in Corpus Christi. Original image from Carol M.… Free Image from public domain license 
Ulysses with Calypso (1905) painting in high resolution by Maurice Denis. Original from The Finnish National Gallery.… Free Image from public domain license 
Ocean Coast painting in high resolution by Maurice Denis (1870–1943). Original from The National Museum of Sweden.… Free Image from public domain license 
Seascape (1897) by Pierre-Auguste Renoir. Original from The Art Institute of Chicago. Digitally enhanced by rawpixel. Free Image from public domain license 
California Coastline. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally… Free Image from public domain license 
For displaying jellyfish, The Monterey Bay Aquarium uses a Kreisel tank, which creates a circular flow to support and suspend… Free Image from public domain license 
On July 20, the U.S. Coast Guard Cutter Healy steamed south in the Arctic Ocean toward the edge of the sea ice. Original from… Free Image from public domain license 
Ship in a storm in the Sargasso Sea. Original from NASA. Digitally enhanced by rawpixel. Free Image from public domain license 
The Avila Beach pier at sunset. Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Image from public domain license 
Dusk shot of Santa Barbara, California, and the Pacific shore, taken from bluffs high above the city. Original image from… Free Image from public domain license 
June Lake is a census-designated place in Mono County, California. Original image from Carol M. Highsmith's America, Library… Free Image from public domain license 
The USS Anchorage is being prepared for the Orion Underway Recovery Test 2. Original from NASA. Digitally enhanced by… Free Image from public domain license 
Polar bear at the Arctic. Original from NASA. Digitally enhanced by rawpixel. Free Image from public domain license 
Clear shot of every parcel of Earth’s land surface and islands in nighttime view in visible light. A composite of… Free Image from public domain license 
Composite assembled from data acquired by the Suomi National Polar-orbiting Partnership satellite over nine days in April… Free Image from public domain license 
Glacier in West Greenland. Original from NASA. Digitally enhanced by rawpixel. Free Image from public domain license 
Snow is blown off of the Thurston Island calving front off of western Antarctica. Original from NASA. Digitally enhanced by… Free Image from public domain license 
A massive container ship plies the Savannah River in Savannah, Georgia. Original image from Carol M. Highsmith’s… Free Image from public domain license 
The Golden Gate Bridge is a suspension bridge spanning the Golden Gate. Original image from Carol M. Highsmith’s… Free Image from public domain license 
Southern Africa and the surrounding oceans. Original from NASA . Digitally enhanced by rawpixel. Free Image from public domain license 
Pacific Coast Highway Scenic. Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Image from public domain license 
Arrival of the RRS Ernest Shackleton near Halley Research Station in Antarctica, January, 2013. Original from NASA. Digitally… Free Image from public domain license 
On the top deck of the USS San Diego, U.S. Navy personnel monitor a helicopter landing after an Orion underway recovery test.… Free Image from public domain license 
The Intrepid Sea, Air and Space Museum in New York City will be the new home of the space shuttle Enterprise. Original from… Free Image from public domain license 
Waves and sun from Momoyogusa–Flowers of a Hundred Generations (1909) by Kamisaka Sekka. Original from the The New York… Free Image from public domain license 
Phytoplankton bloom off Newfoundland. Original from NASA. Digitally enhanced by rawpixel. Free Image from public domain license 
Entrance of The Port of Honfleur (Entrée du port d'Honfleur) (1886) by Georges Seurat. Original from Barnes… Free Image from public domain license 
3. Blue crab (Lupa decanta) illustration from Zoology of New York (1842–1844) by James Ellsworth De Kay. Original from… Free Image from public domain license 
Bowhead Whale Whale Original Antique Ocean Marine Mammal Handcolored Sealife Lithograph. Digitally enhanced from our own… Free Image from public domain license 
Russell's Sting Ray (Trygon Russellii) from Illustrations of Indian Zoology (1830-1834) by John Edward Gray (1800-1875).… Free Image from public domain license 
The Zambezi, the fourth largest river in Africa, and the largest east-flowing waterway. Original from NASA. Digitally… Free Image from public domain license 
Oregon Dunes along the Pacific Ocean. Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Image from public domain license 
A dolphin's dorsal fin cuts through the water in the Launch Complex 39 Area turn basin at NASA's Kennedy Space Center.… Free Image from public domain license 
Satellite image of Earth. Original from NASA. Digitally enhanced by rawpixel. | free image by rawpixel.com Free Image from public domain license 
Whale from Natural History Pictures of the Mammals (1824) by Heinrich Rudolf Schinz. Digitally enhanced from our own original… Free Image from public domain license 
Lobster by anonymous (1560–1585). Original from The Rijksmuseum. Digitally enhanced by rawpixel. Free Image from public domain license 
Colourful and surreal illustrations of fishes found in Moluccas (Indonesia) and the East Indies by Louis Renard (1678 -1746)… Free Image from public domain license 
Antique Sword fish drawn by Fe. Clarke (1849-1899). Original from Museum of New Zealand. Digitally enhanced by rawpixel. Free Image from public domain license 
A gaggle of sandpipers fly over glassy water. Original from NASA. Digitally enhanced by rawpixel. Free Image from public domain license 
View of a cloudy earth shown from space. This particular image portrays the average of all of the satellite's cloud… Free Image from public domain license 
Poster "A Map of Australia" (1930) by MacDonald Gil. Original from Museum of New Zealand. Digitally enhanced by rawpixel. Free Image from public domain license 
Fog rolls across the Golden Gate Bridge in San Francisco, California. Original image from Carol M. Highsmith’s America.… Free Image from public domain license 
Colourful and surreal illustrations of fishes found in Moluccas (Indonesia) and the East Indies by Louis Renard (1678 -1746)… Free Image from public domain license 
The ship carrying the Experiment Logistics Module Pressurized Section for the Japanese Experiment Module arrives at the… Free Image from public domain license 