832-402791 - Aerial view, sinter steps, sinter terraces, lime sinter terraces, Egerszalok, Egerszalok, Eger, Heves, Hungary, Europe

832-402790 - Aerial view, sinter steps, sinter terraces, lime sinter terraces, Egerszalok, Egerszalok, Eger, Heves, Hungary, Europe

832-398582 - Green Acacia tree Vachellia tortilisstands in front of the Etosha salt pan in the desert. On the salt pan many animals are crossing from the left to the right. Etosha National Park, Namibia, Africa

832-398001 - Giraffe (Giraffa camelopardalis) stands in front of salt pan. Etosha National Park, Namibia, Africa

832-396452 - Salt in small bowl with spoon, natural salt, salt crystals, Austria, Europe

832-394756 - Turquoise clear water of a hot spring, Sapphire Pool, Black Sand Basin and Biscuit Basin, Yellowstone National Park, Wyoming, USA, North America

832-394759 - Black Opal Pool, Hot Spring, Yellow Algae and Mineral Deposits, Biscuit Basin, Yellowstone National Park, Wyoming, USA, North America

832-394761 - Tourist on a logging road in front of steaming hot spring, Biscuit Basin, Yellowstone National Park, Wyoming, USA, North America

832-394760 - Dead trees at Opalescent Pool with mineral deposits, Black Sand Basin, Yellowstone National Park, Wyoming, USA, North America

832-394758 - Yellow bacteria and algae in a hot spring at Black Sand Basin and Biscuit Basin, Yellowstone National Park, Wyoming, USA, North America

832-394757 - Turquoise clear water of a hot spring, Sapphire Pool, Black Sand Basin and Biscuit Basin, Yellowstone National Park, Wyoming, USA, North America

1348-4569 - Dead Sea, Israel, Jordan, True Colour Satellite Image. The Dead Sea, Israel, Jordan, true colour satellite image. The Dead Sea and sedimentation tanks in turquoise. Image taken on 14 August 1987 using LANDSAT data.

832-393318 - Steaming hot spring, dead trees in the back, Noris Geyser Basin, Yellowstone National Park, Wyoming, USA, North America

832-393317 - Emerald Spring, Noris Geyser Basin, Yellowstone National Park, Wyoming, USA, North America

832-392943 - Riesenburg cave, natural karst cave ruin of Frankendolomite, geotope, natural monument, in the back climber at rock face, near Engelhardsberg, district of Markt Wiesenttal, Upper Franconia, Franconian Switzerland, Franconia, Bavaria, Germany, Europe

832-392530 - Red mineral deposits at a thermal spring, Noris Geyser Basin, Yellowstone National Park, Wyoming, USA, North America

832-392532 - Red mineral deposits and green algae at a thermal spring, steaming hot springs, Noris Geyser Basin, Yellowstone National Park, Wyoming, USA, North America

832-392942 - Versturzhoehle Riesenburg, natural karst cave ruin of Frankendolomite, geotope, natural monument, near Engelhardsberg, district of Markt Wiesenttal, Upper Franconia, Franconian Switzerland, Franconia, Bavaria, Germany, Europe

832-392522 - Orange and red mineral deposits, steaming hot springs, morning sun, West Thumb Geyser Basin, Yellowstone National Park, Wyoming, USA, North America

832-392521 - Orange and red mineral deposits, steaming hot springs, morning sun, West Thumb Geyser Basin, Yellowstone National Park, Wyoming, USA, North America

832-392531 - Red mineral deposits and green algae at a thermal spring, steaming hot springs, Whirligig Geyser, Noris Geyser Basin, Yellowstone National Park, Wyoming, USA, North America

832-391539 - Steaming hot spring with colored mineral deposits, Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA, North America

832-391542 - Steaming hot spring with colored mineral deposits, Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA, North America

832-391543 - Steaming hot spring with sun star, Colored mineral deposits, Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA, North America

832-391537 - Steaming hot spring with colored mineral deposits, Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA, North America

832-391540 - Steaming hot spring with sun star, Colored mineral deposits, Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA, North America

832-389988 - Two Giraffes (Giraffa camelopardalis) standing on the salt pan in Etosha National Park, Namibia, Africa

832-389107 - Camels loaded with rock salt plates walk through a salt lake, Danakil depression, Ethiopia, Africa

832-389108 - Camels loaded with rock salt plates walk through a salt lake, Danakil depression, Ethiopia, Africa

832-389109 - Camels loaded with rock salt slabs walk at sunset through a salt lake, salt desert, Danakil depression, Ethiopia, Africa

832-389110 - Camels loaded with rock salt slabs walk at sunset through a salt lake, salt desert, Danakil depression, Ethiopia, Africa

832-389111 - Camels loaded with rock salt slabs walk at sunset through a salt lake, salt desert, Danakil depression, Ethiopia, Africa

832-388929 - Geothermal area with sulphur deposits and acidic brines, Dallol, Danakil depression, Ethiopia, Africa

832-388928 - Geothermal area with sulphur deposits and acidic brines, Dallol, Danakil depression, Ethiopia, Africa

832-388942 - Sunrise over the lava field, shield volcano Erta Ale, Danakil depression, Afar region, Ethiopia, Africa

832-388936 - Stacked salt plates, dry salt lake at Dallol, Danakil Depression, Afar Region, Ethiopia, Africa

832-388934 - Afar nomads loading dromedary with salt plates from dry salt lake, near Dallol, Danakil Depression, Afar Region, Ethiopia, Africa

832-388961 - Aerial view, volcano, crater rim with yellow sulphur, near Frioland ao Fjallabaki, Iceland, Europe

832-388935 - Dromedaries lie in dry salt lake, are loaded with salt plates, near Dallol, Danakil depression, Afar region, Ethiopia, Africa

832-388938 - Village with huts of the Afar nomads at sunset, Danakil Depression, Afar Region, Ethiopia, Africa

832-388958 - Aerial view, volcanic crater with colourful sulphur deposits, near Frioland ao Fjallabaki, Iceland, Europe

832-388846 - Salt motives and patterns, Tavira salinas, Algarve, Portugal, Europe

832-388571 - Coastal road through sand dunes, Parque Natural de Corralejo, Fuerteventura, Canary Islands, Spain, Europe

1116-49931 - Sludge tank at a water treatment plant

832-388527 - Afar shepherd leads a dromedary caravan loaded with rock salt plates (halite) across the Lake Assale (Lake Assale), Danakil Depression, Afar Region, Ethiopia, Africa

832-388127 - Dried clay soil in Deadvlei, Sossusvlei, Namib Desert, Namib-Naukluft National Park, Namibia, Africa

832-388528 - Sunrise over the Assale Salt Lake, Hamadela, Danakil Depression Afar Dreick, Ethiopia, Africa

832-388499 - Meerkat (Suricata suricatta), standing in the grass savannah and staring watchfully into the distance, Makgadikgadi salt pans, Botswana, Africa

832-388131 - Dead camelthorn trees (Acacia erioloba) in Deadvlei, Sossusvlei, Namib Desert, Namib-Naukluft National Park, Namibia, Africa

832-388071 - Salt plain, sign Badwater Basin, Death Valley National Park, California, USA, North America

832-388067 - Desert, Historic Borax Mine, 20 mule team car, Harmony Borax Works, Death Valley National Park, California, USA, North America

832-387790 - Erupting Pohutu Geyser with rainbow, sinter terraces, Te Puia, Whakarewarewa, Rotorua, Bay of Plenty, New Zealand, Oceania

832-383463 - Salt basin in the disused saline, Sal Rei, Boa Vista, Cape Verde, Africa

832-383221 - Travertine terrace formations, UNESCO World Heritage Site, Pamukkale, Denizli Province, Aegean Region, Turkey, Asia

832-383116 - Dasht-e Kavir or Great Salt Desert, Marenjab, Maranjab, Semnan Province, Iran, Asia

832-383149 - Tent in Dasht-e Kavir or Great Salt Desert, Marenjab, Maranjab, Semnan Province, Iran, Asia

832-383052 - Child playing with a wooden board, Salinas de Maras salt pans, created by the Incas and still in operation, Pichingote, Cusco region, Andes, Peru, South America

832-382999 - Locals piling up salt with a wooden board, Salinas de Maras salt pans, created by the Incas and still in operation, Pichingote, Cusco region, Andes, Peru, South America

832-382569 - Morning light, first sunlight, Salar de Uyuni, Salt Lake, Altiplano, Bolivia, South America

832-382570 - Morning light, Salar de Uyuni, Salt Lake, Altiplano, Bolivia, South America

832-382612 - Lime terraces with lakes, Huanglong National Park, Sichuan Province, China, Asia

832-381817 - Nature photographers in Deadvlei, Sossusvlei, Namibia, Africa

832-381975 - Tourists in Deadvlei, Sossusvlei, Namibia, Africa

832-382115 - Tourists standing on the edge of Grand Prismatic Spring, Yellowstone National Park, Wyoming, United States, North America

832-380220 - Dried salt lake, Salar de Uyuni, Altiplano, Bolivia, South America

832-380726 - Sulphur sediments in the thermal area of Dallol, Danakil-Senke, Ethiopia, Africa

832-380885 - Champagne Pool, hot thermal spring, Waiotapu, Waiotapu, Roturoa, North Island, New Zealand, Oceania

832-380727 - Sulphur sediments in the thermal area of Dallol, Danakil-Senke, Ethiopia, Africa

832-380829 - Champagne Pool, hot spring, Waiotapu Geothermal Wonderland, Rotorua, North Island, New Zealand, Oceania

832-380808 - Boardwalk over steaming ground, mineral deposits, Seltun geothermal area, Krysuvik volcanic system, Reykjanesfolkvangur conservation area, Iceland, Europe

832-380832 - Champagne Pool, hot spring, Waiotapu Geothermal Wonderland, Rotorua, North Island, New Zealand, Oceania

832-380831 - Champagne Pool, hot spring, Waiotapu Geothermal Wonderland, Rotorua, North Island, New Zealand, Oceania

832-380830 - Champagne Pool, hot spring, Waiotapu Geothermal Wonderland, Rotorua, North Island, New Zealand, Oceania

832-381010 - Sulfur vapor, Vulcano Island, Aeolian Islands, Italy, Europe

832-379948 - People are bathing in the hot springs of Saturnia Therme, Saturnia, Tuscany, Italy, Europe

832-380402 - Dead camel thorns (Acacia erioloba) in front of sand dunes, Dead Vlei, Sossusvlei, Namib Desert, Namib-Naukluft National Park, Namibia, Africa

832-379576 - Donkeys transport salt blocks from the salt mines, Assale Salt Lake, Lake Assale, Danakil Valley, Afar Region, Ethiopia, Africa

746-88431 - Ice cave and glacier snout of Schlatenkees, source of the creek Schlatenbach. parts of the have collapsed and melted away. Therefore an ice cave with two openings exists. The Schlatenkees is one of the biggest glaciers in Austria and retreating rapidly. Glacial till, moraine debris and roche moutonnee are visible, Europe, central europe, austria, East Tyrol

746-88397 - The Plitvice Lakes in the National Park Plitvicka Jezera in Croatia. Visitors taking a cruise on lake Kozjak. The Plitvice Lakes are a string of lakes connected by waterfalls. They are in a valley, which becomes a canyon in the lower parts of the National Park. The waterfalls are formed mostly by travertine (tufa) barriers between the lakes. The lakes are listed as UNESCO World heritage and are visited by close to one million tourists per year. Europe, South Eastern Europe, Croatia

746-88430 - Glacier snout of Schlatenkees. The Schlatenkees is one of the biggest glaciers in Austria and retreating rapidly. contact zone of glacier and bedrock or moraine is visible, Europe, central europe, austria, East Tyrol

746-88432 - Ice cave and glacier snout of Schlatenkees, source of the creek Schlatenbach. parts of the have collapsed and melted away. Therefore an ice cave with two openings exists. The Schlatenkees is one of the biggest glaciers in Austria and retreating rapidly. Glacial till, moraine debris and roche moutonnee are visible, Europe, central europe, austria, East Tyrol

832-378408 - Sedimentation pool, sludge pond, open pit ore mining, Erzberg mountain at Eisenerz, Styria, Austria, Europe

832-378407 - Sedimentation pool, sludge pond in the mining area of ??the open pit mine, Erzberg mountain at Eisenerz, Styria, Austria, Europe

832-368092 - Mineral deposits at a hot spring, Midway Geyser Basin, Yellowstone National Park, Wyoming, USA

832-375960 - Sandstone formations at Upper Antelope Canyon, Slot Canyon Arizona, USA, North America

832-375959 - Sandstone formation at Upper Antelope Canyon, Slot Canyon Arizona, USA, North America

832-342990 - Firehole Spring in Lower Geyser Basin, Yellowstone National Park, Wyoming, USA

832-342987 - Chromatic Spring in Upper Geyser Basin, Yellowstone National Park, Wyoming, USA

832-346087 - Svartifoss Falls, Skaftafell National Park, Iceland, Atlantic Ocean

832-337116 - Menzingen, Switzerland in a famous drumlin-setting formed by glaciers during the last ice age.

832-326916 - Hexagonal shapes, Salar de Uyuni salt flat, Altiplano, Ptosi Department, Bolivia, South America

832-309707 - Svartifoss, "Black Waterfall, " with basalt columns, Skaftafell National Park, southeast Iceland, Iceland

832-309708 - Svartifoss, "Black Waterfall, " with basalt columns, Skaftafell National Park, southeast Iceland, Iceland

832-363831 - Hot-air ballon, Cappadocia, Turkey

832-363840 - Hot-air ballon, Cappadocia, Turkey

832-363833 - Hot-air ballon, Uchisar, Cappadocia, Turkey

832-363813 - Hot-air ballon, Cappadocia, Turkey

832-363829 - Hot-air ballon, Cappadocia, Turkey

832-363809 - Hot-air ballon, Cappadocia, Turkey

832-363832 - Hot-air ballon, Uchisar, Cappadocia, Turkey