Bryan and Cherry Alexander / Grounded iceberg, with grooves caused by air bubbles eroding ice. Greenland, 1985.

Norbert Wu / Bald Notothen (Pagothenia borchgrevinki) living on grounded iceberg, fish has glycoproteins that acts as antifreeze in blood to keep from freezing, Antarctica

Brent Stephenson / Oil slick and sheen on the sea surface, two days after the container ship MV Rena became grounded on Astrolabe Reef, off of the Port of Tauranga, Bay of Plenty, New Zealand, October 2011.

Brent Stephenson / Oil slick and sheen on the sea surface around a service vessel, two days after the container ship MV Rena became grounded on Astrolabe Reef, off of the Port of Tauranga, Bay of Plenty, New Zealand, Oc...

Brent Stephenson / Container ship, MV Rena, approximately 14 hours after becoming grounded on Astrolabe Reef, off of the Port of Tauranga, Bay of Plenty, New Zealand, October 2011.

Brent Stephenson / Aerial view of the container ship, MV Rena, approximately 14 hours after becoming grounded on Astrolabe Reef, off of the Port of Tauranga, Bay of Plenty, New Zealand, October 2011.

Loic Poidevin / Sperm whale (Physeter macrocephalus) dead male washed up on beach, Slettnes, Varanger, Norway, May.

Jean E. Roche / Mass of By-the-wind sailor (Velella velella) jellyfish washed up on beach, Camargue, France, May.

Jean E. Roche / Mass of By-the-wind sailor (Velella velella) jellyfish washed up on beach, Camargue, France, May.

Jean E. Roche / Mass of By-the-wind sailor (Velella velella) jellyfish washed up on beach, Camargue, France, May.

Paul Williams / Horseshoe crab (Limulus polyphemus) stranded on Slaughter Beach, Delaware Bay, USA.

Pete Oxford / Cannonball jellyfish (Stomolophus meleagris) stranded on beach. Little St Simon's Island, Barrier Islands, Georgia, USA, March.

Angelo Gandolfi / Southern right whale (Eubalaena australis), stranded and dying, Santa Catarina, Brazil, September.

Bryan and Cherry Alexander / Iceberg with an ice arch grounded in Marguerite Bay at sunset, Antarctica.

Jean E. Roche / Bedraggled dog keeping out of flood waters in branches, Arles during December 2003 flood, Camargue, France.

Jean E. Roche / Cow on roundabout in Arles during December 2003 flood, Camargue, France.

Brent Stephenson / Large grounded iceberg with grooved vertical channels. Half Moon Island, Antarctic Peninsula, Antarctica, December.

Ernie Janes / Fishing boat grounded on mud flats at low tide, Brancaster, North Norfolk, UK, winter

Ernie Janes / Boats grounded at low tide on coastal creeks, Burham Overy, North Norfolk, UK

Bryan and Cherry Alexander / Iceberg with ice arch grounded in Marguerite Bay, Antarctica, February 2009.

Colin Monteath / Woman climber ice climbing on grounded iceberg with cruise ship passengers looking on, Pleneau Island, Antarctic Peninsula, Antarctica

Doug Allan / Grounded pancake ice formation, Signy Island, Antarctica, May 1980

Colin Monteath / Tabular iceberg grounded off Coulman Island, Ross Sea, Antarctica

Colin Monteath / Tourists in zodiac looking at iceberg grounded off Coulman Island, Ross Sea, Antarctica

Colin Monteath / Tourists in zodiac looking at iceberg grounded off Coulman Island, Ross Sea, Antarctica

Norbert Wu / Polychaete (Isodictya erinacea) group and diver with grounded iceberg, Antarctica

Norbert Wu / Bald Notothen (Pagothenia borchgrevinki) eggs in hole in grounded iceberg, notothenioid fish has glycoproteins for antifreeze in blood to keep from freezing, Antarctica

Norbert Wu / Grounded iceberg, calved from front of glacier, drifted into coast and locked in by sea ice, Antarctica

Norbert Wu / Scuba diver exploring grounded iceberg, calved from front of glacier, drifted into coast and locked in by sea ice, Antarctica

Paul D Stewart / Illustration of 'Beagle laid ashore, River Santa Cruz'. Copperplate engraving, art by Conrad Martens, engraved by T. Landseer. Published by H. Colburn 1838. Plate from 'The Narrative of the Surveying...

Onne van der Wal / Crew of a grounded yacht swinging out on the boom to heel it over so it might float off the bottom.

Colin Monteath / Grounded iceberg with storm clouds overhead, Pleneau Island, Antarctic Peninsula, Antarctica

Robin Chittenden / Female Peregrine falcon (Falco peregrinus) grounded after being released, Norwich Cathedral UK, June.

Robin Chittenden / Female juvenile Peregrine falcon (Falco peregrinus) grounded and later rescued and released, Norwich Cathedral UK, June.

Jeff Vanuga / Whaling harpoon tips lie next to the ship Petrel that was used for whale hunting in Antarctic waters. It now stands grounded at Grytviken, South Georgia Island, Antarctica.

Jeff Vanuga / Iceberg from the Weddell Sea, grounded near South Georgia Island, Antarctica. Antarctica. October 2019.

Jeff Vanuga / Iceberg from the Weddell Sea in Antarctica, grounded near South Georgia, Antarctica. October 2019.