An Orca called Morgan in the Dolphinarium in Harderwijk, the Netherlands, September 2011. Morgan was subsequently transferred to the Loro Parque zoo in Tenerife, Spain. Photo by Marten Van Dijl/AFP/Getty
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Make a donationAn Orca called Morgan in the Dolphinarium in Harderwijk, the Netherlands, September 2011. Morgan was subsequently transferred to the Loro Parque zoo in Tenerife, Spain. Photo by Marten Van Dijl/AFP/Getty
A facsimile of the Carta marina (1539) by Olaus Magnus. Photo courtesy Wikipedia
Seamen relaxing on the HMS Pallas, April 1775. Early depictions of common seamen are exceedingly rare; this one is from an album of watercolours by Second Lieutenant Gabriel Bray aboard the ship. Courtesy the National Maritime Museum, Greenwich, London
Herdsmen in the monsoon rain near the village of Walpur, Madhya Pradesh, India. Photo by James P Blair/National Geographic
Europa as photographed by the Galileo spacecraft. Photo courtesy NASA/JPL-Caltech/SETI Institute
Crew on a prospecting cruise to South Georgia and Antartica, 1913-14. All photos courtesy Edinburgh University Main Library, released under CC-BY licence
The Aegean Sea. Photo by Krista Rossow/National Geographic
Photo by Chris Jordan from the series Midway: Message from the Gyre
A North Atlantic right whale mother and calf (Eubalaena glacialis) off the Atlantic coast of Florida. Photo by Brian Skerry/National Geographic
Okeanos, half-man, half-eel, painted on a bowl by Sophilos circa 600 BC. Photo courtesy The British Museum