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Sign on road with stratified volcanic rocks in the background, Parque Nacional del Teide, Tenerife, Canary Islands, Spain, Atlantic, Europe
Fog shrouds the volcanic mountains surrounding Cova de Paul on Santo Antao Island, Cape Verde, Africa
A view of the volcanic crater of Cova de Paul on Santo Antao Island, Cape Verde, Africa
A view of the volcanic mountains surrounding Cova de Paul on Santo Antao Island, Cape Verde, Africa
Mountain road crossing the volcanic landscape near Sicasumbre astronomical viewpoint, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Aerial view of El Golfo village and the volcanic landscape of Timanfaya National Park, Lanzarote, Canary Islands, Spain, Atlantic, Europe
Aerial view of volcanic landscape and Mauna Kea, 4207m, Big Island, Hawaii, United States of America, North America
Volcanic landscape, Mauna Loa, Hawaii Volcanoes National Park, UNESCO World Heritage Site, Big Island, Hawaii, United States of America, North America
Traditional windmill and volcanic landscape, Tiagua, Lanzarote, Canary Islands, Spain, Atlantic, Europe
Mountain road crossing the volcanic landscape near Sicasumbre astronomical viewpoint, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Volcanic cones on top of Mauna Kea, Big Island, Hawaii, United States of America, Pacific
Two people at Mirador de Vallebron looking towards Tindaya volcano on the island of Fuerteventura, Canary Islands, Spain, Atlantic, Europe
Bartolome Island with Pinnacle Rock, a volcanic plug, to the right, the location featured in the 2003 film Master and Commander, Galapagos islands, UNESCO World Heritage Site, Ecuador, South America
Volcanic landscape, Hawaii silversword (Argyroxiphium sandwicense) endemic, Haleakala National Park, Maui Island, Hawaii, United States of America, North America
Haleakala National Park, volcanic landscape, Maui Island, Hawaii, United States of America, North America
Haleakala National Park, volcanic landscape, Maui Island, Hawaii, United States of America, North America
Haleakala National Park, volcanic landscape, Maui Island, Hawaii, United States of America, North America
Haleakala National Park, volcanic landscape, Maui Island, Hawaii, United States of America, North America
Haleakala National Park, volcanic landscape, Maui Island, Hawaii, United States of America, North America
Haleakala National Park, volcanic landscape, Maui Island, Hawaii, United States of America, North America
Haleakala National Park, volcanic landscape, Maui Island, Hawaii, United States of America, North America
Haleakala National Park, volcanic landscape, Maui Island, Hawaii, United States of America, North America
Volcanic landscape, Hawaii silversword (Argyroxiphium sandwicense) endemic, Haleakala National Park, Maui Island, Hawaii, United States of America, North America
Volcanic landscape, Hawaii silversword (Argyroxiphium sandwicense) endemic, Haleakala National Park, Maui Island, Hawaii, United States of America, North America
A view of the volcanic mountains surrounding Cova de Paul on Santo Antao Island, Cape Verde, Africa
A black-banded sea krait, Laticauda semifasciata, swims over beautiful corals off the remote island of Manuk in the Banda Sea, Indonesia. This volcanic island is known as the island of the snakes.
A black-banded sea krait, Laticauda semifasciata, swims over beautiful corals off the remote island of Manuk in the Banda Sea, Indonesia. This volcanic island is known as the island of the snakes.
Pool fitted in the volcanic lava flow, Garachico, village on the North coast, Tenerife, Canary Islands, Spain, Atlantic Ocean, Europe
Pico Viejo, Caldeira de las Canadas, Mount Teide, Mount Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Atlantic Ocean, Europe
Lava and ash floes in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Juvenile Galapagos hawk (Buteo galapagoensis) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South 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
Galapagos Land Iguana (Conolophus subcristatus), large lizard can can grow to five feet long and live for 60 years, South Plaza island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
El Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Atlantic, Europe
El Teide National Park, UNESCO World Heritage Site, Tenerife, Canary Islands, Spain, Atlantic, Europe
The endemic Galapagos marine iguana (Amblyrhynchus cristatus) on Espanola Island in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Aerial view of desert mountains and volcanic landscape at sunset from Sicasumbre viewpoint, Fuerteventura, Canary Islands, Spain
Aerial view of volcanic landscape surrounding La Pared beach washed by waves at sunset, Fuerteventura, Canary Islands, Spain
Aerial view of volcanic cliffs overlooking Cofete beach washed by waves, Jandia Nature Park, Fuerteventura, Canary Islands, Spain
Aerial view of the wild Cofete beach in between volcanic mountains and sea, Jandia Natural Park, Fuerteventura, Canary Islands
Aerial view of El Toston Lighthouse on volcanic coastline, El Cotillo, Fuerteventura, Canary Islands, Spain
Overhead view of volcanic cliffs overlooking the crystal sea, Sotavento beach, Jandia, Fuerteventura, Canary Islands, Spain
Aerial view of kitesurfers surrounded by volcanic cliffs, Sotavento beach, Jandia, Fuerteventura, Canary Islands, Spain
Aerial view of kiteboarders framed by volcanic peaks, Sotavento beach, Jandia, Fuerteventura, Canary Islands, Spain
Furnas Valley, a site of bubbling hot springs and fumaroles on the Azorean capital island of Sao Miguel, Azores, Portugal, Europe
The endemic lava cactus (Brachycereus spp) cactus growing in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Bartolome Island with Pinnacle Rock, a volcanic plug, to the right, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Guests from the Lindblad Expedition ship National Geographic Endeavour in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Lava lizard (Microlophus spp) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Lava lizard (Microlophus spp) in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America
Coastal swimming pools near mountains at Porto da Cruz, Machico District, Madeira, Portugal, Atlantic, Europe
Elevated view natural volcanic rock pools near Aquarium of Madeira (Aquario da Madeira) and Cachalote restaurant, Porto Moniz, Madeira, Portugal, Atlantic, Europe
December 3, 2012 - Colourful crater lakes of Kelimutu volcano, Flores Island, Indonesia. Tiwu Nua Muri Kofah (Lake of Young Men and Maidens) and Tiwu Ata Polo (Bewitched Lake). The two lakes are highly acidic due to underwater fumarole activity and are turqoise in colour.
December 3, 2012 - Colourful crater lakes of Kelimutu volcano, Flores Island, Indonesia. A crater wall separates Tiwu Nua Muri Koo Fai (Lake of Young Men and Maidens) and Tiwu Ata Polo (Bewitched Lake). The two lakes are highly acidic due to underwater fumarole activity and are turqoise in colour.
December 3, 2012 - Colourful crater lakes of Kelimutu volcano, Flores Island, Indonesia. Tiwu Nua Muri Koo Fai (Lake of Young Men and Maidens) and Tiwu Ata Polo (Bewitched Lake). The two lakes are highly acidic due to underwater fumarole activity and are turqoise in colour.
November 28, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible against blue night sky.
November 27, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.
November 25, 2012 - Extrusion of lava through lava plug on top of conduit leads to small glowing rockfalls. Batu Tara volcano, Komba Island, Indonesia.
November 26, 2012 - Powerful 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.
November 25, 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.
June 2006 - Ejection of lava during nighttime Strombolian eruption of Stromboli volcano, Aeolian Islands, Mediterranian Sea, Italy.
November 2007 - Aerial view of White Island (Whakaari) volcano with central acidic crater lake, Bay of Plenty, New Zealand.
Close-up of lava flow, Kilauea volcano, Big Island, Hawaii.
Lava flowing into sea, Kilauea volcano, Big Island, Hawaii.
Yellow-footed gull (Larus livens), on its nest on Isla Coronado, Baja California Sur, Sea of Cortez, Mexico, North America
One of Jeju Island's many lighthouses stands against Mount Sanbangsan and Mount Hallasan, a shield volcano, Jeju Island, South Korea, Asia
Construction of traditional style Batak house with bamboo scaffolding, beside the volcanic Lake Toba, Samosir Island, Sumatra, Indonesia, Southeast Asia, Asia
Rice paddy fields, with heavy monsoon clouds gathering over volcanic crater hills across Lake Toba from Samosir Island, Sumatra, Indonesia, Southeast Asia, Asia
Rice paddy fields, with heavy monsoon clouds gathering over volcanic crater hills across Lake Toba from Samosir Island, Sumatra, Indonesia, Southeast Asia, Asia
Construction of traditional style Batak house with bamboo scaffolding, beside the volcanic Lake Toba, Samosir Island, Sumatra, Indonesia, Southeast Asia, Asia
View from summit of Pico do Areeiro, Madeira
Aerial view of volcanic rocks of Pico de la Zarza mountain peak during a misty sunrise, Fuerteventura, Canary Islands, Spain, Atlantic, Europe
A tourist observes Teide volcano from La Ruleta viewpoint during sunrise, Teide National Park, La Orotava, Santa Cruz de Tenerife, Tenerife, Canary Islands, Macaronesia, Spain, Western Europe
Teide volcano from La Ruleta viewpoint during sunset, Teide National Park, La Orotava, Santa Cruz de Tenerife, Tenerife, Canary Islands, Macaronesia, Spain, Western Europe
Sombrero Chino (Chinese Hat) Island, just off Santiago Island in the Galapagos, UNESCO World Heritage Site, Ecuador, South America
The Tongariro Crossing crosses 19 kilometers of the barren, volcanic desert, Tongariro National Park, UNESCO World Heritge Site, North Island, New Zealand, Pacific
The spectacular scenery on the island of Madeira, Atlantic Ocean, Portugal
The spectacular scenery on the island of Madeira, Atlantic Ocean, Portugal
Galapagos Land Iguana (Conolophus subcristatus), large lizard can can grow to five feet long and live for 60 years, South Plaza island, Galapagos, UNESCO World Heritage Site, Ecuador, South America
Atlantic surf at Mosteiros, north west coast, Sao Miguel, Azores Islands, Atlantic, Portugal
Atlantic surf at Mosteiros, north west coast, Sao Miguel, Azores Islands, Atlantic, Portugal
Mosteiros and coast, Sao Miguel, Azores Islands, Atlantic, Portugal
Adult rockhopper penguins (Eudyptes chrysocome chrysocome) at breeding and molting colony on New Island, Falkland Islands
Fireworks display for Volcanoes Festival in Santorini, Cyclades, Greek Islands, Greece
Lava bombs erupt from multiple vents on volcano, active for at least 2000 years, Stromboli, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe
Volcanic scenery in the valley of Alto Mira, northwest Saint Anthony, Cape Verde
The striking offshore rock known as Djeu, Saint Vincent, Cape Verde
The spectacular scenery of the north coast and volcanic highlands of Saint Anthony, Cape Verde
The spectacular scenery of the north coast and volcanic highlands of Saint Anthony, Cape Verde
The spectacular scenery of the north coast and volcanic highlands of Saint Anthony, Cape Verde
The striking offshore rock known as Djeu, Saint Vincent, Cape Verde
The spectacular scenery of the north coast and volcanic highlands of Saint Anthony, Cape Verde
The spectacular scenery of the north coast and volcanic highlands of Saint Anthony, Cape Verde
Lava bombs erupt from multiple vents on volcano, active for at least 2000 years, Stromboli, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe
Lava bombs erupt from multiple vents on volcano, active for at least 2000 years, Stromboli, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe
Lava bombs erupt from multiple vents on volcano, active for at least 2000 years, Stromboli, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe
Lava bombs erupt from one of many vents on volcano, active for at least 2000 years, Stromboli, Aeolian Islands, UNESCO World Heritage Site, Sicily, Italy, Mediterranean, Europe