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Volcanic beach in front of the glacier ice of Deception Island, South Shetland Islands, Antarctica, Polar Regions
Scenic view of a tranquil volcanic landscape with clear blue sky in Tenerife, Canary Islands, Spain, Atlantic, Europe
Petroglyph National Monument, petroglyphs carved into volcanic rock by American Indians 400 to 700 years ago, New Mexico, United States of America, North America
Panorama of sulphur worker appearing out of toxic fumes at Kawah Ijen volcano, East Java, Indonesia, Southeast Asia, Asia
Goreme, UNESCO World Heritage Site, Cappadocia, Anatolia, Turkey, Asia Minor, Eurasia
View of Aeolian Islands archipelago from Gran Cratere, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe
Mount Escriva, South Etna, Catania, Sicily, Italy, Europe
Arenal Volcano from the La Fortuna side, Costa Rica
Morning Glory Pool, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Apartment block and palm trees, overlooking Playa del Matorral, at Morro Jable, on the volcanic island of Fuerteventura, Canary Islands, Spain, Atlantic, Europe
The west flank of 6310m Volcan Chimborazo, with its unique type of Andean high paramo (puna) made dry by the rain shadow, Chimborazo Province, Central Highlands, Ecuador, South America
Cactus plants and windmill Jardin de Cactus designed by Cesar Manrique, Guatiza. Lanzarote, Canary Islands, Spain, Atlantic, Europe
Landscape covered in volcanic ash and dust with the ash plume of the Eyjafjallajokull eruption in the distance, southern area, Iceland, Polar Regions
Petroglyph National Monument, petroglyphs carved into volcanic rock by American Indians 400 to 700 years ago, New Mexico, United States of America, North America
Petroglyph National Monument, petroglyphs carved into volcanic rock by American Indians 400 to 700 years ago, New Mexico, United States of America, North America
Petroglyph National Monument, petroglyphs carved into volcanic rock by American Indians 400 to 700 years ago, New Mexico, United States of America, North America
The lagoon with the world's most southerly coral reef, at this 10km long volcanic island in the Tasman Sea, Lord Howe Island, UNESCO World Heritage Site, New South Wales, Australia, Pacific
Bubbling mud, Waiotapu Thermal Area, Rotorua, North Island, New Zealand, Pacific
Cacti on Isla de los Pescadores, Volcan Tunupa and the salt flats, Salar de Uyuni, Southwest Highlands, Bolivia, South America
Multi coloured geothermal river in the Waimangu Volcanic Valley, North Island, New Zealand, Pacific
Black sand beach at Ajuy, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Summit of 1745m active Volcan San Cristobal on left, the country's highest volcano, and Volcan Casita on the right, Chinandega, Nicaragua, Central America
Volcanic beach below Volcano Tavurvur, Rabaul, East New Britain, Papua New Guinea, Pacific
Aerial of Lalolalo lake volcanic crater lake, center of Wallis, Wallis and Futuna, South Pacific, Pacific
Irazu volcano, Irazu Volcano National Park, Cartago Province, Costa Rica, Central America
Castle Hill, basalt core of an extinct volcano, Edinburgh, Scotland, United Kingdom, Europe
Grand Prismatic Spring, Midway Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Volcanic peaks against deep blue sky, Jandia peninsula, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Cactus plants inside Jardin de Cactus designed by Cesar Manrique, Guatiza, Lanzarote, Canary Islands, Spain, Atlantic, Europe
Diverging plates in a volcanic fissure zone, Myvatn, Iceland, Polar Regions
Desert road stretching into the distance with rocky mountains under a clear blue sky in Tenerife, Canary Islands, Spain, Atlantic, Europe
Eroded calcarenite rock (cemented coral sands) with Mount Lidgbird and Mount Gower by the lagoon with the world's most southerly coral reef, on this 10km long volcanic island in the Tasman Sea, Lord Howe Island, UNESCO World Heritage Site, New South Wales, Australia, Pacific
Bubbling mud, Waiotapu Thermal Area, Rotorua, North Island, New Zealand, Pacific
Volcanic desert landscape and its fabulous geographical structures caught in evening light, Goreme, Cappadocia, Anatolia, Turkey, Asia Minor, Eurasia
Sulphur miners working in the crater at Kawah Ijen, Java, Indonesia, Southeast Asia, Asia
Black lava beach with reflected mountain, Barilochie, Patagonia, Argentina, South America
Poas Volcano, Poas National Park, Costa Rica, Central America
Etna South, Mount Etna, UNESCO World Heritage Site, Catania, Sicily, Italy, Europe
View north across fields at Chichigalpa to Volcan San Cristobal at the northwest end of Nicaragua's chain of volcanoes, Nicaragua, Central America
Panoramic view of volcanic landscape near the village of Cavusin, near Goreme, Cappadocia, Anataolia, Turkey, Asia Minor, Asia
View from the San Pedro volcano of San Pedro and Lago Atitlan (Lake Atitlan), Guatemala, Central America
Kasha-Katuwe Tent Rock National Monument, tent like rock formations, from volcanic eruptions 6 to 7 million years ago, New Mexico, United States of America, North America
Old Settlement Bay and Mount Lidgbird on left and Mount Gower by the lagoon with the world's most southerly coral reef, volcanic island in the Tasman Sea, Lord Howe Island, UNESCO World Heritage Site, New South Wales, Australia, Pacific
Saint Michel d'Aiguilhe Chapel situated on the top of volcanic rock, Le Puy en Velay, Haute-Loire, Massif Central, France, Europe
Calm Atlantic Ocean landscape, Caleta de Famara, Lanzarote, Canary islands, Spain, Atlantic, Europe
Lake Helen and Mount Lassen, 3187 meters, in the background, Lassen Volcanic National Park, California, United States of America, North America
Basalt columns and a tourist ferry, Staffa Island, Inner Hebrides, Scotland, United Kingdom, Euorpe
Pinnacles of volcanic ash, Urgup, UNESCO World Heritage Site, Cappadocia, Anatolia, Turkey, Asia Minor, Eurasia
The volcanic mountain chain of the Virunga National Park, UNESCO World Heritage Site, Democratic Republic of the Congo, Africa
Hikers out on the Atacama Salt Flats, with snow-capped volcanic peaks in the background, near San Pedro de Atacama, Chile, South America
Etna South, Mount Etna, UNESCO World Heritage Site, Catania, Sicily, Italy, Europe
The Blue Lake, a natural reservoir and one of three crater lakes at the top of Mt Gambier, an extinct volcano and town in the south east of the state, South Australia, Australia
Volcanic Air Bubbles at Champagne Beach, Caribbean Sea, Dominica
Rock climber attempts bouldering, and volcano in background, Conguillio National Park, Chile, South America
Volcanic cones, palm trees and lake in rural area near Kampung Pulo, Kecamatan Leles, Garut, West Java, Java, Indonesia, Southeast Asia, Asia
Female tourist on boardwalk by the Morning Glory Pool, Upper Geyser Basin, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America, North America
Mimosa rocks and rock pool in natural bay composed of volcanic Rhyolite rock, around 360 million years old, Mimosa Rocks National Park, New South Wales, Australia, Pacific
Tourist standing on the edge of the Darvaza Gas crater, Turkmenistan, Central Asia, Asia
Ocean View new villa development at Playa Blanca, Lanzarote, Canary Islands, Spain, Atlantic, Europe
Endemic kentia palms that are also cultivated for worldwide sale with Mount Lidgbird on the left and Mount Gower by the lagoon with the world's most southerly coral reef, on this 10km long volcanic island in the Tasman Sea, Lord Howe Island, UNESCO World Heritage Site, New South Wales, Australia, Pacific
The town of Orchisar, showing the old tunneled houses dug into the volcanic rock, Cappadocia, Anatolia, Turkey, Asia Minor, Eurasia
Volcanic plateau of Sierra Tarahumara, above Copper Canyon, Chihuahua, Mexico, North America
Icebergs on a black sand volcanic beach next to the Jokulsarlon glacial lake in Vatnajokull National Park, southeast Iceland, Polar Regions
Tourists exploring White Island Volcano, an active volcano in the Bay of Plenty, North Island, New Zealand, Pacific
Etna South, Mount Etna, UNESCO World Heritage Site, Catania, Sicily, Italy, Europe
Road leading to Mount Ngauruhoe, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Mauna Kea, Big Island, Hawaii, United States of America, North America
Solfatara, volcanic crater with active fumaroles, Pozzuoli, Naples, Campania, Italy, Europe
Smoke plume rising over glacier, Eyjafjallajokull volcano, Iceland, Polar Regions
Puffin (Fratercula arctica), Heimaey Island, Vestmannaeyjar, volcanic Westman Islands, Iceland, Polar Regions
Small red volcano and volcanic hills in Domadalshraun just north of Landmannalaugar, Fjallabak region, Iceland, Polar Regions
Petroglyph National Monument, petroglyphs carved into volcanic rock by American Indians 400 to 700 years ago, New Mexico, United States of America, North America
Mount Bromo volcanic eruption sending up an ash cloud, East Java, Indonesia, Southeast Asia, Asia
Jungman Daepo columnar jointed lava formation, Seogwipo, Jeju Island, UNESCO World Heritage Site, South Korea, Asia
Basalt columns, Staffa Island, Inner Hebrides, Scotland, United Kingdom, Europe
Glassy pieces of ice on volcanic black sand beach with blurred waves, near Jokulsarlon Lagoon, South Iceland, Polar Regions
Tourists exploring White Island Volcano, an active volcano in the Bay of Plenty, North Island, New Zealand, Pacific
Castle Geyser, Upper Geyser Basin, Yellowstone National Park, Wyoming, USA
Volcanic Air Bubbles at Champagne Beach, Caribbean Sea, Dominica
Volcaic ashes at Salto Truful, Volcan Llaima, Conguillio National Park, Lakes District, southern Chile, South America
Lava flowing from Kilauea Volcano, Hawaii Volcanoes National Park, UNESCO World Heritage Site, The Big Island, Hawaii, United States of America, North America
Atlantic Ocean waves crash onto black volcanic sand at Taganana, Tenerife, Canary Islands, Spain, Atlantic, Europe
Multi-coloured crater lakes at summit of Kelimutu volcano, eastern Flores, Nusa Tenggara, Indonesia, Southeast Asia, Asia
Kasha-Katuwe Tent Rock National Monument, tent like rock formations, from volcanic eruptions 6 to 7 million years ago, New Mexico, United States of America, North America
Petroglyph National Monument, petroglyphs carved into volcanic rock by American Indians 400 to 700 years ago, New Mexico, United States of America, North America
Petroglyph National Monument, petroglyphs carved into volcanic rock by American Indians 400 to 700 years ago, New Mexico, United States of America, North America
Bubbling mud, Waiotapu Thermal Area, Rotorua, North Island, New Zealand, Pacific
Koryaksky volcano, 3456m high, conical andesite volcano, Kamchatka, East Siberia, Russia
Griggs volcano overlooks Valley of Ten Thousand Smokes filled by ash in 1912 eruption of Katmai, Katmai Volcano National Park, Alaska, USA, North America
Frying Pan Lake,the largest hot spring in the world, Waimangu Volcanic Valley, North Island, New Zealand, Pacific
Smoking geothermal acitve field in the Waimangu Volcanic Valley, North Island, New Zealand, Pacific
Cruise ship anchoring in the volcanic crater of Deception Island, South Shetland Islands, Antarctica, Polar Regions
Wai-O-Tapu Thermal Wonderland, Rotorua, North Island New Zealand, Pacific
Typical Greek village perched on volcanic rock with white and blue houses and windmills, Santorini, Cyclades, Greek Islands, Greece, Europe
Hikers are dwarfed by the volcanic Mount Ngauruhoe on the Tongariro Crossing trail, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific
Cacti on Isla de los Pescadores, Volcan Tunupa and the salt flats, Salar de Uyuni, Southwest Highlands, Bolivia, South America
Cacti on Isla de los Pescadores, Volcan Tunupa and the salt flats, Salar de Uyuni, Southwest Highlands, Bolivia, South America
Mount Bromo volcano erupting at sunrise, sending volcanic ash high into the sky, East Java, Indonesia, Southeast Asia, Asia
Volcano eruptions at the Volcano Yasur, Island of Tanna, Vanuatu, South Pacific, Pacific
Lassen Volcanic National Park, California, United States of America, North America