860-289980 - Tail of Blue whale (Balaenoptera musculus brevicauda) is the largest animal ever known to have existed. This may be the pygmy sub-species of blue whale, Balaenoptera musculus. Mirissa, Sri Lanka, Indian Ocean Photo taken under permit
860-290088 - Scuba diver under ice in a halocline cloud, a subtype of chemocline caused by a strong, vertical salinity gradient within a body of water. Arctic circle Dive Center, White Sea, Karelia, northern Russia
1179-5335 - Aerial view of Arctic sea with Ersfjord and Steinfjord fjords under the rainbow at midnight sun, Senja, Troms county, Norway, Scandinavia, Europe
1350-1854 - A smooth hammerhead shark (Sphyrna zygaena), swims under the surface in open ocean, breaking the water with its dorsal fin, Sea of Cortez, Mexico
1116-49961 - Humpback whales (Megaptera novaeangliae) surfacing in Inside Passage in the Lynn Canal under the glow of the setting sun; Alaska, United States of America
832-390801 - Two (hikers) looking at Eibsee lake at sunrise, sun shining over Bavarian alpine foothills, right Zugspitze, Wetterstein mountains near Grainau, Upper Bavaria, Bavaria, Germany, Europe
1343-59 - Man skates the frozen C and O Canal (Chesapeake and Ohio Canal) under a hazy full moon, Potomac, Maryland, United States of America, North America