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

832-380927 - Krafla volcanic area, sulfur springs, Leirhnjúkur, Reykjahlíð, Mývatni, Island

832-380925 - Krafla volcanic area, sulfur springs, Leirhnjúkur, Reykjahlíð, Mývatni, Island

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

832-381000 - Salt lakes, Lanzarote, Canary Islands, Spain, Europe

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

1113-102994 - Red-and-green Macaws at saltlick, Ara chloroptera, Tambopata National Reserve, Peru, South America

1218-736 - Salt terraces in the Sacred Valley where people are still mining and sifting the terraced pools as the Incas did 1000 years ago, Peru, South America

1218-735 - Salt terraces in the Sacred Valley where people are still mining and sifting the terraced pools as the Incas did 1000 years ago, Peru, South America

1218-737 - Salt terraces in the Sacred Valley where people are still mining and sifting the terraced pools as the Incas did 1000 years ago, Peru, South America

698-3319 - Geothermal Terraces with mineral deposit run off, Whakarewarewa thermal village, Rotorua, North Island, New Zealand, Pacific

1184-2449 - Salines (salt pans) of Janubio, Lanzarote, Canary Islands, Spain, Atlantic, Europe

785-2217 - Traditional salt pans cut into the rock on the coast of Gozo, Malta, Mediterranean, Europe

321-5887 - Minerals for sale to tourists as souvenirs on side of road in Tiz n Tichka Pass oer Atlas mountains, Morocco, North Africa, Africa

746-70092 - Middle East, Jordan, Dead Sea, 400 metres below sea level

857-93631 - Herbivorous,

857-93630 - Two Male Hikers In Volcano Kawah Ijen, Java, Indonesia

857-93632 - Two Men Hiking In Volcano Kawah Ijen, Java, Indonesia

857-93629 - Two Men Exploring Sulfur Dioxide Smoke At Kawah Ijen, Java, Indonesia

1116-39168 - Giant Truck Laden With Ore At Chuquicamata, The Largest Open Pit Copper Mine In The World, Antofagasta Region, Chile

1116-39169 - Giant Truck Laden With Ore At Chuquicamata, The Largest Open Pit Copper Mine In The World, Antofagasta Region, Chile

718-2067 - Geologists taking minerals samples on Gran Cratere (The Great Crater), Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe

718-2066 - Geologists taking mineral samples on Gran Cratere (The Great Crater), Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe

718-2068 - Geologists taking mineral samples on Gran Cratere (The Great Crater), Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe

911-10953 - Looking towards the Assynt hills taken from Eididh nan Clach Geala, Highlands, Scotland, UK, with large quartz boulders in the foreground.

857-90391 - Salt workers walk across the Salinas salt pools in the Sacred Valley, Peru.

857-90390 - A man walks across the Salinas salt pools in the Sacred Valley, Peru.

857-89965 - A stormy sunrise on the Torres, the crown jewel of Chile's Torres del Paine National Park.

1178-23405 - South Fork Mineral Creek, USA, Colorado

1178-9614 - Midway Geyser Basin, Grand Prismatic Spring, Grand Prismatic Spring in Midway Geyser Basin, Yellowstone National Park, Wyoming

911-10300 - An old wagon train at the Harmony Borax works in Death Valley which is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does not receive any rain at all.

911-10317 - A dried up lake at Tehachapi Pass, California, USA. California is in the midst of a four year long drought.

911-10318 - A dried up lake at Tehachapi Pass, California, USA. California is in the midst of a four year long drought.

911-10299 - Saline creeks in Death Valley which is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does not receive any rain at all.

911-10298 - Saline creeks in Death Valley which is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does not receive any rain at all.

911-10284 - Saline creeks in Death Valley which is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does not receive any rain at all.

911-10285 - An old wagon train at the Harmony Borax works in Death Valley which is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does not receive any rain at all.

911-10301 - An old wagon train at the Harmony Borax works in Death Valley which is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does not receive any rain at all.

911-10310 - Colourful rocks from Artists Drive in Death Valley which is the lowest, hottest, driest place in the USA, with an average annual rainfall of around 2 inches, some years it does not receive any rain at all.

911-10237 - A Kittiwake, Rissa tridactyla, on the Farne Islands, Northumberland, UK, next to a pool with red algae. Kittiwakes have declined drastically due to climate change causing their main fish prey species to migrate further north to find cooler sea temperatures.

911-10110 - Mined sea cliffs above St Agnes, Cornwall, UK.

749-2099 - A geothermal hotspring pool with dissolved minerals, Geysir, Golden Circle, Iceland, Polar Regions

816-7875 - Erupting Old Faithful Geyser, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

816-7874 - Colourful Emerald Pool, Black Sand Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

816-7887 - Travertine terraces in Mammoth hot springs terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

816-7872 - Opalescent pool in the Black Sand Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

816-7886 - Travertine terraces in Mammoth hot springs terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

816-7888 - Travertine terraces in Mammoth hot springs terraces, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

816-7873 - Cliff Geyser erupting in the Black Sand Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

83-12811 - Salt pans still in use at El Carmen Salinas and Salt Museum on the east coast, Caleta de Fuste, Fuerteventura, Canary Islands, Spain, Europe

83-12812 - Salt pans still in use at El Carmen Salinas and Salt Museum on the east coast, Caleta de Fuste, Fuerteventura, Canary Islands, Spain, Europe

83-12813 - Salt pans still in use at El Carmen Salinas and Salt Museum on the east coast, Caleta de Fuste, Fuerteventura, Canary Islands, Spain, Europe

801-1399 - Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

801-1398 - Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

801-1394 - Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

801-1395 - Devil's Thumb, Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North  America

801-1397 - Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

801-1400 - Tourists watching Old Faithful Geyser, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

801-1396 - Mammoth Hot Springs, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

801-1386 - Turquoise Pool, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

801-1388 - Excelsior Geyser Crater, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

801-1390 - Porcelain Basin, Norris Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

801-1389 - Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

801-1385 - Firehole Spring, Firehole Lake Drive, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

801-1387 - Pool runoff of orange bacteria and algae (Therophiles), Grand Prismatic Pool, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America

1113-95987 - The Hot Springs opposite the Volcano are colored by volcanic minerals. They are also a location where the locals come to boil eggs from the Megapode bird, found on the slopes of the volcano. Tavurvur Volcano, Rabaul, East New Britain, Papua New Guinea, Pacific

1113-95988 - The Hot Springs opposite the Volcano are colored by volcanic minerals. They are also a location where the locals come to boil eggs from the Megapode bird, found on the slopes of the volcano. Tavurvur Volcano, Rabaul, East New Britain, Papua New Guinea, Pacific

832-368299 - Solfataras, fumaroles, mud pools, sulfur and other minerals, viewing platform, steam, Hveraroend geothermal area, N√°mafjall mountains, M√Ωvatn area, Nor√∞urland eystra, the north-east region, Iceland, Europe

832-368298 - Solfataras, fumaroles, mud pools, sulfur and other minerals, steam, Hveraroend geothermal area, N√°mafjall mountains, M√Ωvatn area, Nor√∞urland eystra, the north-east region, Iceland, Europe

832-375942 - Mammoth Hot Springs, Yellowstone National Park, Wyoming, USA, United States of America

832-370780 - Sales clerk showing different mineral colours for Nihonga painting in a traditional shop for art supplies, Kyoto, Japan, Asia

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

832-368297 - Solfataras, fumaroles, mud pools, sulfur and other minerals, steam, Hveraroend geothermal area, N√°mafjall mountains, M√Ωvatn area, Nor√∞urland eystra, the north-east region, Iceland, Europe

832-370171 - Woman and man relaxing in salt cave

832-374776 - Eroded hoodoos and rock formations in Blue Mosquito Canyon discolored by minerals, Coal Mine Mesa, Painted Desert, Hopi Reservation, Navajo Nation Reservation, Arizona, Southwest, United States of America, USA

832-374819 - Eroded hoodoos and rock formations discolored by minerals, Blue Mosquito Canyon, Coal Mine Mesa, Painted Desert, Hopi Reservation, Navajo Nation Reservation, Arizona, Southwest, United States of America, USA

832-374820 - Rooster Hoodoo, eroded hoodoos and rock formations discolored by minerals, Blue Mosquito Canyon, Coal Mine Mesa, Painted Desert, Hopi Reservation, Navajo Nation Reservation, Arizona, Southwest, United States of America, USA

832-374816 - View from Zabriskie Point or Zabriske Point, eroded rocks discoloured by minerals, Manly Beacon, sunset, Panamint Range at back, Death Valley National Park, Mojave Desert, California, USA

832-368314 - Mineral field, iron deposits, Brennisteinsalda volcano with the Laugahraun lava field, rhyolite mountains, Landmannalaugar, Fjallabak Nature Reserve, Highlands, Iceland, Europe

832-374818 - Eroded hoodoos and rock formations discolored by minerals, Blue Mosquito Canyon, Coal Mine Mesa, Painted Desert, Hopi Reservation, Navajo Nation Reservation, Arizona, Southwest, United States of America, USA

1174-1699 - Piles of salt dry in the arid atmosphere of Bolivia's Salar de Uyuni, Salar de Uyuni, Bolivia

1174-1853 - Ice crystals, Washington, Washington, USA

1174-176 - A boardwalk extending across Midway Geyser in Yellowstone National Park, Cle Elum County, Washington, USA

1173-267 - The salt pans of Salar de Uyuni, with shallow water and mineral deposits. White salt granules raked into heaps, Salar de Uyuni, Bolivia

1173-15 - Grand Prismatic Spring, a bright turquoise pool and site of geothermal activity, with mineral rich deposits at the edge, Grand Prismatic Spring, Yellowstone National Park, Wyoming

846-2085 - Art Nouveau decorated mineral spring water hall inside the Terme Tettuccio, Montecatini Terme, Tuscany, Italy, Europe

832-350989 - Mineral fountain Fonte Napoleone Poggio Island of Elba Tuscany Italy

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

846-1878 - Te Aroha Mineral Spas, Te Aroha, Waikato region, North Island, New Zealand, Pacific

83-12720 - Mineral stained pond on collapsed flank of Papandayan Volcano, an active four crater caldera, Garut, West Java, Java, Indonesia, Southeast Asia, Asia

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

832-326205 - Jasper riverbed, Quebrada de Jaspe, Bolivar, Gran Sabana, Venezuela, South America