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
Mackenzie Bay, Antarctica and the ice shelf on February 12, 2012., Original from NASA. Digitally enhanced by rawpixel.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
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 Golden Gate Bridge is a suspension bridge spanning the Golden Gate. Original image from Carol M. Highsmith’s…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
The Zambezi, the fourth largest river in Africa, and the largest east-flowing waterway. Original from NASA. Digitally…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
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
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
The ship carrying the Experiment Logistics Module Pressurized Section for the Japanese Experiment Module arrives at the…Free Image from public domain license
Fog rolls across the Golden Gate Bridge in San Francisco. The Golden Gate Bridge is a suspension bridge spanning the Golden…Free Image from public domain license
The Golden Gate Bridge is a suspension bridge spanning the Golden Gate, the opening of the San Francisco Bay into the Pacific…Free Image from public domain license
The U.S. Coast Guard Cutter Healy parked in an ice floe for the 2011 ICESCAPE mission's third ice station in the Chukchi Sea.…Free Image from public domain license
Route 1 along the Pacific Ocean in Northern California. Original image from Carol M. Highsmith’s America, Library of…Free Image from public domain license
Seascape with full moon (ca. 1779–1781) by Cornelis Ploos van Amstel. Original from The Rijksmuseum. Digitally enhanced…Free Image from public domain license
Opah (Lampris guttatus) illustration from The Natural History of British Fishes (1802) by Edward Donovan (1768-1837).…Free Image from public domain license
Fog rolls across the Golden Gate Bridge in San Francisco. The Golden Gate Bridge is a suspension bridge spanning the Golden…Free Image from public domain license
Port Terminal in Bayonne, New Jersey. Original image from Carol M. Highsmith’s America, Library of Congress collection.…Free Image from public domain license
Orbital ATK L-1011 Stargazer aircraft flying over the Atlantic Ocean offshore from Daytona Beach, Florida. December 12, 2016.…Free Image from public domain license
The Golden Gate Bridge is a suspension bridge spanning the Golden Gate, the opening of the San Francisco Bay into the Pacific…Free Image from public domain license
Brown pelicans search for fish in brackish water at NASA's Kennedy Space Center in Florida around dawn. Original from NASA .…Free Image from public domain license
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 
Mackenzie Bay, Antarctica and the ice shelf on February 12, 2012., 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 
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 
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 
Polar bear at the Arctic. Original from NASA. Digitally enhanced by rawpixel. Free Image from public domain license 
Glacier in West Greenland. Original from NASA. Digitally enhanced by rawpixel. 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 
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 
The Zambezi, the fourth largest river in Africa, and the largest east-flowing waterway. Original from NASA. Digitally… 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 
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 
A gaggle of sandpipers fly over glassy water. Original from NASA. Digitally enhanced by rawpixel. 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 
The ship carrying the Experiment Logistics Module Pressurized Section for the Japanese Experiment Module arrives at the… Free Image from public domain license 
Fog rolls across the Golden Gate Bridge in San Francisco. The Golden Gate Bridge is a suspension bridge spanning the Golden… Free Image from public domain license 
The Golden Gate Bridge is a suspension bridge spanning the Golden Gate, the opening of the San Francisco Bay into the Pacific… Free Image from public domain license 
The U.S. Coast Guard Cutter Healy parked in an ice floe for the 2011 ICESCAPE mission's third ice station in the Chukchi Sea.… Free Image from public domain license 
Route 1 along the Pacific Ocean in Northern California. Original image from Carol M. Highsmith’s America, Library of… Free Image from public domain license 
Seascape with full moon (ca. 1779–1781) by Cornelis Ploos van Amstel. Original from The Rijksmuseum. Digitally enhanced… Free Image from public domain license 
Opah (Lampris guttatus) illustration from The Natural History of British Fishes (1802) by Edward Donovan (1768-1837).… Free Image from public domain license 
Fog rolls across the Golden Gate Bridge in San Francisco. The Golden Gate Bridge is a suspension bridge spanning the Golden… Free Image from public domain license 
Port Terminal in Bayonne, New Jersey. Original image from Carol M. Highsmith’s America, Library of Congress collection.… Free Image from public domain license 
Orbital ATK L-1011 Stargazer aircraft flying over the Atlantic Ocean offshore from Daytona Beach, Florida. December 12, 2016.… Free Image from public domain license 
The Golden Gate Bridge is a suspension bridge spanning the Golden Gate, the opening of the San Francisco Bay into the Pacific… Free Image from public domain license 
Brown pelicans search for fish in brackish water at NASA's Kennedy Space Center in Florida around dawn. Original from NASA .… Free Image from public domain license