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Isabela Island Giant Tortoise (Chelonoidis niger vicina), Sierra Negra volcano, Isabela Island, Galapagos Islands, Ecuador

Two people at Mirador de Vallebron looking towards Tindaya volcano on the island of Fuerteventura, Canary Islands, Spain, Atlantic, Europe

A view of the small bay and the extinct volcano on the south side of Isla Coronado, Baja California Sur, Sea of Cortez, Mexico, North America

The peak of Concepcion volcano and a black sand beach on Ometepe Island, Lake Nicaragua, Nicaragua, Central America

Layers of lava flows and tuff from the dormant volcano on Isla Tortuga, Baja California, Sea of Cortez, Mexico, North America

The 1610m active Volcan Concepcion, greater of two volcanoes that form popular Omotepe Island (Isla Omotepe), Lake Nicaragua, Nicaragua, Central America

Rear view of man with casual clothing and hat watching sunset on Calderon Hondo volcano, Fuerteventura, Canary Islands, Spain

The endemic lava cactus (Brachycereus spp) cactus growing in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Hamlet in the middle of paddy fields in Tawangmangu area, the Gunung (volcano) Lawu in the background, Karanganyar district, near Surakarta (Solo), Java island, Indonesia, Southeast Asia, Asia

November 27, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.

November 26, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.

One of Jeju Island's many lighthouses stands against Mount Sanbangsan and Mount Hallasan, a shield volcano, Jeju Island, South Korea, Asia

View of the cone of Gunung Api Wetar volcano from Nailaka island, Banda Islands, Maluku, Spice Islands, Indonesia, Southeast Asia, Asia

View over the Banda archipelago from the summit of Gunung Api Wetar volcano, Banda Api, Maluku, Spice Islands, Indonesia, Southeast Asia, Asia

Montana Arena cone at sunset, one of a chain of volcanoes south of Corralejo, Villaverde, Fuerteventura, Canary Islands, Spain, Europe

The Caldera de Gairia volcanic cone looms over this town in the central south, Tiscamanita, Fuerteventura, Canary Islands, Spain, Europe

Lobos Island, a nature reserve and La Caldera volcano, just north of this resort, Corralejo, Fuerteventura, Canary Islands, Spain, Atlantic, Europe

Active Concepcion Volcano seen from Merida in the island's Southeast, Merida, Volcan Maderas, Omotepe Island, Lake Nicaragua, Nicaragua, Central America

The 1610m Volcan Concepcion looms behind port of Moyogalpa in west of the island, Moyogalpa, Isla Omotepe, Lake Nicaragua, Nicaragua, Central America

The 1610m active Volcan Concepcion, greater of two volcanoes that form popular Omotepe Island (Isla Omotepe), Lake Nicaragua, Nicaragua, Central America

Gran Cratere (The Large Crater), Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe

Gran Cratere and Aeolian Islands view, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe

Sulphur and fumarole smoke on volcano Gran crater, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe

People looking at view of Stromboli island from Gran crater rim, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe

Sulphur and fumaroles smoke on volcano Gran Cratere, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe

Sulphur and fumarole smoke on volcano Gran crater, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe

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

People walking through fumaroles on Volcano Gran crater rim, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe

Gran Cratere (The Great Crater) and Aeolian Islands view, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe

Bathers enjoying the therapeutic benefits of the volcanic mud in the hot spring pool, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe

Man jumping in the bay of Rabaul with Volcano Tavurvur in the background, East New Britain, Papua New Guinea, Pacific

Moais at the quarry on the slope of the Rano Raraku Volcano, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

Moais at the quarry on the slope of the Rano Raraku Volcano, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

Moai at the quarry on the slope of the Rano Raraku Volcano, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

Moais at the quarry on the slope of the Rano Raraku Volcano, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

Moais at the quarry on the slope of the Rano Raraku Volcano, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

Moais at the quarry on the slope of the Rano Raraku Volcano, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

Moais at the quarry on the slope of the Rano Raraku Volcano, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

Moai at the quarry on the slope of the Rano Raraku Volcano at sunrise, Rapa Nui National Park, UNESCO World Heritage Site, Easter Island, Chile, South America

Mount Edgecumbe reflections, extinct volcano, Kruzof island, from Sitka Sound, Sitka, Northern Panhandle, Southeast Alaska, United States of America, North America

People walking on Gran Cratere rim, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe

The remains of old water boats at Deception Island, an active volcano which last erupted in 1969, Antarctica, Polar Regions

The remains of an old tractor at Deception Island, an active volcano which last erupted in 1969, Antarctica, Polar Regions

The remains of an old whaling station at Deception Island, an active volcano which last erupted in 1969, Antarctica, Polar Regions

The remains of an old British Base at Deception Island, an active volcano which last erupted in 1969, Antarctica, Polar Regions

Icebergs surround the glacier covered volcano called Peter I Island in the Bellingshausen Sea, Antarctica, Polar Regions

A view of Candlemas Island, an uninhabited volcanic Island in the South Sandwich Islands, South Atlantic, Polar Regions

A view of Lucifer Hill on Candlemas Island, an uninhabited volcanic Island in the South Sandwich Islands, South Atlantic, Polar Regions

An avalanche of falling ice on Thule Island, a volcanic island in the South Sandwich Islands, South Atlantic, Polar Regions

Ice covered Cook Island, a volcanic island in the South Sandwich Islands, South Atlantic, Polar Regions

A view of Leskov Island, a volcanic island in the South Sandwich Islands, South Atlantic, Polar Regions

Mahoro Island beach with tour boats and a volcano far beyond on Siau, Mahoro, Siau, Sangihe Archipelago, North Sulawesi, Indonesia, Southeast Asia, Asia

Lovely Mahoro Island beach with Masare and Karangetang volcano beyond, Mahoro, Siau, Sangihe Archipelago, North Sulawesi, Indonesia, Southeast Asia, Asia

Smoking Karangetang, an active Pacific Ring of Fire volcano, Karangetang, Siau Island, Sangihe Archipelago, Sulawesi, Indonesia, Southeast Asia, Asia

Kalea Beach sunset with palm tree, canoe and Karangetang volcano, Kalea, Siau Island, Sangihe Archipelago, North Sulawesi, Indonesia, Southeast Asia, Asia

Volcanic cinder cones in Cinque Picos caldera, seen from Serra do Cume, Terceira island, Azores, Portugal, Atlantic, Europe

Serro do Cume shield volcano, and city of Praia da Vitoria, Terceira island, Azores, Portugal, Atlantic, Europe

Sulphur at the Stefanos Volcano Crater, detailed view, Nisyros Island, Dodecanese, Greek Islands, Greece, Europe

Walls of Tongariro Volcano lit by red sunrise, volcanic plains of New Zealand, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Rocky volcanic landscape on the Tongariro alpine Crossing,lit by the sunrise, North Island, New Zealand, Pacific

Mount Ngauruhoe during sunrise and sunsrise on Mount Tongariro, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Volcanic landscape view on the far away Taranaki Volcano, viewed from Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Sunrise above the Emerald Lakes, view from red crater, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Red sunrise on Mount Tongariro with volcanic plain in front, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Mount Ngauruhoe during sunrise and sunsrise on Mount Tongariro, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Sunrise at the volcano slopes Red Crater, Tongariror Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Panoramic view, crater of Blue Lake and Tongariro Volcano at sunrise, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Morning light on the rugged volcanic slopes and the vast countryside of New Zealand Tongariro Crossing, North Island, New Zealand, Pacific

Red Crater and Mount Ngauruhoe in Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Emerald Lakes at sunrise, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

The three emerald lakes and volcano landscape of the Tongariro Alpine Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

View along the slope and hiking trail up towards the Red Crater Volcano, on Tongariro Alpine Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Emerald lake on volcano slope, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Close up of turquoise, vibrant Emerald Lake with steaming volcano, Tongariro Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Close up of turquoise, vibrant Emerald Lake with steaming volcano on Tongariro Crossing, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Colorful scrub fields in front of Ngauruhoe Volcano and Pukekaikiore in Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Shore of the Emerald Lake, natural vibrant colour gradient with view on the Red Crater Volcano of Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Turquoise and yellow green Emerald Lake in front of the Tongariro Volcano, Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific

Wide angle view of an Emerald Lake in front of Red Crater Volcano in the Tongariro National Park, UNESCO World Heritage Site, North Island, New Zealand, Pacific