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Nisyros volcano, Nisyros Island, Dodecanese Islands, Greek Islands, Greece, Europe
Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America
Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America
Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America
Gran Cratere (The Large Crater), Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
View from the Lower Lava Trail near Sunset Crater Volcano, north of Flagtaff, Arizona, United States of America, North America
Refuge hut at Laguna Miscanti, a brackish lake at an altitude of 4140 meters, Central Volcanic Zone, Chile, South America
Basalt lava cliffs at Arnastapi, on the coast of the Snaefellsnes peninsula, west Iceland, Polar Regions
Volcanic landscape, Pointe de Capelinhos (Capelinhos Point), Faial island, Azores, Portugal, Europe, Atlantic Ocean
Basalt rock formations in Vatnajokull National Park, Iceland, Europe
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America
Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America
Caleta Negra (Black Bay) a popular boat trip and walk with its distinctive sedimentary and lava strata, Ajuy, Fuerteventura, Spain, Atlantic, Europe
High angle view of the lighthouse of Ponza (Punta della Guardia lighthouse) on top of basalt cliff at dusk, Ponza island, Tyrrhenian Sea, Pontine islands, Latina Province, Latium (Lazio), Italy, Europe
Petroglyphs carved in the lava at the 15 moai restored ceremonial site of Ahu Tongariki, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island (Isla de Pascua), Chile, South America
Volcanic salt rocks, Dallol, Danakil Depression, Afar Region, Ethiopia, Africa
Lava lizard (Microlophus spp) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
The endemic Galapagos marine iguana (Amblyrhynchus cristatus), foot detail, Espanola Island in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Natural swimming pools, Porto Moniz, Madeira, Portugal, Atlantic, Europe
Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America
Panoramic of sunset over the fumarole of Erta Ale volcano, Danakil Depression, Afar Region, Ethiopia, Africa
Rock formation of columnar basalt, Devils Postpile National Monument, Mammoth Mountain, California, United States of America, North America
Path to Laguna Miscanti, a brackish lake at an altitude of 4140 meters in the Andean Central Volcanic Zone, Chile, South America
A rock arch among basalt lava cliffs at Arnastapi, on the coast of the Snaefellsnes peninsula, west Iceland, Polar Regions
Natural pools formed by volcanic lava filled with crystal-clear sea water, Porto Moniz, Madeira island, Portugal, Atlantic, Europe
Storm surf against lava cliffs at Skalasnagi, in Snaefellsjokull National Park, the northwestern tip of the Snaefellsnes peninsula, on the west coast of Iceland, Polar Regions
Sign on a road with volcanic stratified rocks in the background, Parque Nacional del Teide, Tenerife, Canary Islands, Atlantic, Spain, Europe
Grjotagja cave near Lake Myvatn in Iceland, Europe
Ubehebe Crater, a volcanic crater half a mile across and 600 feet deep, Death Valley National Park, California, United States of America, North America
Panoramic of Erta Ale volcano at sunset, Danakil Depression, Afar Region, Ethiopia, Africa
Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America
Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America
View of Gran Cratere and Finicudi Island, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
Rock formation of columnar basalt, Devils Postpile National Monument, Mammoth Mountain, California, United States of America, North America
Rock formation of columnar basalt, Devils Postpile National Monument, Mammoth Mountain, California, United States of America, North America
Civita di Bagnoregio, a medieval town perched on volcanic rock, just before sunrise, Lazio, Italy, Europe
Sally Lightfoot crab (Grapsus grapsus), Sullivan Bay, Santiago (James) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Fumarole in Namafjall Geothermal Area in Iceland, Europe
Volcanic rock formations at Sarakiniko on north coast, Sarakiniko, Milos, Cyclades, Aegean Sea, Greek Islands, Greece, Europe
Black facade of St. Anne church built with basalt volcanic stones, Casillas del Angel, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Volcanic crater before the smoking Kilauea Summit Lava Lake in the Hawaii Volcanoes National Park,UNESCO World Heritage Site, Big Island, Hawaii, United States of America, Pacific
Lava lizard (Microlophus spp) in the Galapagos Islands Archipelago, UNESCO World Heritage Site, Ecuador, South America
La Pared surf beach and the Parque Natural Jandia mountains beyond on the southwest coast, La Pared, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Sulphur and fumarole smoke on volcano Gran crater, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe
View to the Tasman Sea over volcanic black sand beach at Piha, New Zealand's premier surfing resort, North Island, New Zealand, Pacific
Volcanic beach on southern coast, Paleokori (Paleohori), island of Milos, Cyclades, Greek Islands, Greece, Europe
Surf and natural arch on Playa La Pared on the volcanic island of Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Male Tenerife lizard (Western Canaries lizard) (Gallotia galloti) sun basking on volcanic rock, raising a back foot to cool it, Tenerife, Canary Islands, Spain, Europe
Road through Caldera de las Canadas, Pico del Teide, National Park Teide, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Europe
The recent re-eruption of Mount Fagradalsfjall and Geldingadalir Volcano, Southwest Peninsula, Iceland, Polar Regions
Moai heads of Easter Island, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America
Sunset from the volcanic crater of Pico del Teide, Teide National Park, Tenerife, Canary Islands, Spain, Europe
Rock formation of columnar basalt, Devils Postpile National Monument, Mammoth Mountain, California, United States of America, North America
Teide Mountain covered with snow and Roques de Garcia, Teide National Park, UNESCO World Heritage Site, Tenerife Island, Canary Islands, Spain, Europe
Sally Lightfoot crab (Grapsus grapsus), Sullivan Bay, Santiago (James) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Lava field, Snaefellsnes, Iceland, Polar Regions
Aerial of the wild coastline with basalt pools on the Atlantic coastline, Dombe Grande, Namibre, Angola, Africa
Punta della Guardia basalt cliff with the lighthouse at dusk, Ponza island, Tyrrhenian Sea, Pontine islands, Latina Province, Latium (Lazio), Italy, Europe
Three former volcanos, Roque de Agando, Degollada de Agando, Mirador de los Roques, La Gomera, Canary Islands, Spain, Europe
Surf and natural arch on Playa La Pared on the volcanic island of Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Field by basalt rock formations in Vatnajokull National Park, Iceland, Europe
Clear turquoise sea and volcanic rock formations at Sarakiniko, Sarakiniko, Milos, Cyclades, Aegean Sea, Greek Islands, Greece, Europe
Los Gemelos Volcano, Santa Cruz (Indefatigable) Island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Volcanic rock formations at Sarakiniko on north coast, Sarakiniko, Milos, Cyclades, Aegean Sea, Greek Islands, Greece, Europe
Aerial of the wild coastline with basalt pools on the Atlantic coastline, Dombe Grande, Namibre, Angola, Africa
Erosion with volcanic tuff pillars, Pasabagi, near Goreme, Cappadocia, Anatolia, Turkey, Asia Minor, Asia
Lonely house above the basalt cliff near the harbour, Arnarstapi, Snaefellsjokull National Park, Snaefellsness peninsula, Vesturland, Western Iceland, Iceland, Polar Regions
Los Roques de Garcia at Caldera de las Canadas, Pico de Teide at sunset, National Park Teide, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Europe
Rock formation of columnar basalt, Devils Postpile National Monument, Mammoth Mountain, California, United States of America, North America
A view of the volcanic crater and colourful crater lake on Santa Ana Volcano in Santa Ana, El Salvador, Central America
A low-lying basalt lava shoreline at Kalfatjorn, near Keflavik, Iceland, Polar Regions
Volcanic rocks and Oia village, Oia, Santorini (Thira), Cyclades Islands, Greek Islands, Greece, Europe
Volcanic lava stream in the Hawaii Volcanoes National Park, UNESCO World Heritage Site, Big Island, Hawaii, United States of America, Pacific
Playa de Charco Verde, Puerto Naos, La Palma, Canary Islands, Spain, Europe
Rock formation of columnar basalt, Devils Postpile National Monument, Mammoth Mountain, California, United States of America, North America
Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Europe
Volcanic sand beach, Montserrat, British Overseas Territory, West Indies, Caribbean, Central America
Volcanic rock formations at Sarakiniko on north coast, Sarakiniko, Milos, Cyclades, Aegean Sea, Greek Islands, Greece, Europe
Volcanic rock formations at Sarakiniko on north coast, Sarakiniko, Milos, Cyclades, Aegean Sea, Greek Islands, Greece, Europe
Aerial of the wild coastline with basalt pools on the Atlantic coastline, Dombe Grande, Namibre, Angola, Africa
Volcanic landscape, Hawaii Volcanoes National Park, UNESCO World Heritage Site, Big Island, Hawaii, United States of America, North America
Eldborg volcanic crater, declared a Protected Natural Monument in 1974, Iceland, Polar Regions
A view of the Pitons near Soufriere in St. Lucia, Windward Islands, West Indies, Caribbean, Central America
View of Tenerife from Gran Canaria, Gran Canaria, Canary Islands, Spain, Atlantic Ocean, Europe
Rock formation of columnar basalt, Devils Postpile National Monument, Mammoth Mountain, California, United States of America, North America
Waterfall in Lava Canyon, Mount St. Helens National Volcanic Monument, Washington State, United States of America, North America
Tourist on the path to Laguna Miscanti, a brackish lake at an altitude of 4140 meters, Central Volcanic Zone, Chile, South America
View of the volcanic crater of Glassford Hill in Prescott Valley, Arizona, United States of America, North America
Snaefellsjokull glacier covering the Snaefell volcano seen at sunset with pink clouds and blue sky, Snaefellsnes Peninsula, West Iceland, Iceland, Polar Regions
Smoking Kilauea Summit Lava Lake in the Hawaii Volcanoes National Park, UNESCO World Heritage Site, Big Island, Hawaii, United States of America, Pacific
Lava coast near Los Hervideros, Montanas del Fuego, Parque Natinal de Timanfaya, Lanzarote, Canary Islands, Spain, Atlantic, Europe
Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Europe
Coastline of Montserrat, British Overseas Territory, West Indies, Caribbean, Central America
Black basalt sea stacks and snow covered black sand beach, Vik, Iceland, Polar Regions
Volcanic rock headland and sandy beach south of this village on the north west coast, El Cotillo, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Unconformity of older Jurassic sediments and Pliocene limestone plus later lava on top at Caleta Negra, Ajuy, Fuerteventura, Spain, Atlantic, Europe
Roque Bentayga at sunset, Gran Canaria, Canary Islands, Spain, Atlantic Ocean, Europe
Volcanic rock formations at Sarakiniko on north coast, Sarakiniko, Milos, Cyclades, Aegean Sea, Greek Islands, Greece, Europe