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90 results found
Krill swarm cooked pink by fumarole activity on the volcanic island of Deception Island, Antarctica, Polar Regions
T'ai chi exercises at dawn, Agua volcano, Antigua, Guatemala, Central America
Arenal volcano, Arenal Volcano National Park, La Fortuna, Costa Rica
Poas volcano, Poas National Park, Costa Rica, Central America
Irazu volcano, Irazu Volcano National Park, Cartago Province, Costa Rica
Volcanic cinder rim in Coconino National Forest, Arizona, USA
Burned trees on a Volcanic cinder rim in Coconino National Forest, Arizona, USA
Volcanic cinder hills in Coconino National Forest, Arizona, USA
Hotsprings Ravine Thomas at Bouillante, Basse-Terre, Guadeloupe
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
Mount Bromo and Batok volcano, Bromo Tengger Semeru National Park, East Java, Indonesia
Volcanoes at sunrise, Bromo Tengger Semeru National Park, East Java, Indonesia
Aerial view of smoke above the turquoise lake on crater of Kawah Ijen volcano, Banyuwangi, East Java, Indonesia
The southeast summit of O'Leary Peak, Coconino National Forest, Arizona, USA
Volcanic cinder hills in Coconino National Forest, Arizona, USA
Walking paths through a volcano landscape in Waiotapu Thermal Wonderland, North Island, New Zealand
An SUV traveling near Volcanic cinder hills in Coconino National Forest, Arizona, USA
Volcanic cinder hills in Coconino National Forest, Arizona, USA
The boundary fence between Coconino National Forest and Sunset Crater National Monument of Arizona, USA
Volcanic cinder hills in Coconino National Forest, Arizona, USA
Volcanic cinder hills in Coconino National Forest, Arizona, USA
October 16, 2013 - Nighttime eruption of Kliuchevskoi (Klyuchevskoy) Volcano, Kamchatka, Russia. Ash cloud and lava flow are produced by the activity of the snowcovered conical stratovolcano. Column of steam rises where lava flow is melting glacier.
October 16, 2013 - Nighttime eruption of Kliuchevskoi (Klyuchevskoy) Volcano, Kamchatka, Russia.
Ash cloud and lava flow are produced by the activity of the snowcovered conical stratovolcano.
October 15, 2013 - Nighttime eruption of Kliuchevskoi (Klyuchevskoy) Volcano, Kamchatka, Russia.
Ash cloud and lava flow are produced by the activity of the snowcovered conical stratovolcano. Column of steam rises where lava flow is melting glacier.
October 24, 2013 - Eruption of Kliuchevskoi (Klyuchevskoy) Volcano, Kamchatka, Russia, seen in evening light. Ash cloud is produced by the activity. Kamen volcano is seen on right.
October 16, 2013 - Nighttime eruption of Kliuchevskoi (Klyuchevskoy) Volcano, Kamchatka, Russia. Ash cloud and lava flow are produced by the activity of the volcano which is partially shrouded in cloud. Kamen volcano is seen on right.
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.
Volcanic cinder hills in Coconino National Forest, Arizona, USA
Abra Bay, Sao Lourenco peninsula, Madeira island, Atlantic Ocean, Portugal
Volcanic cinder hills in Coconino National Forest, Arizona, USA
Volcanic cinder hills in Coconino National Forest, Arizona, USA
Volcanic cinder hills in Coconino National Forest, Arizona, USA
Popocatepetl Volcano seen from Cholula, Puebla State, Mexico
View from summit of Pico do Areeiro, Madeira
Sunset Crater Volcano viewed from the forested slope of O'Leary Peak in northern Arizona.
Bjarnarhofn Lava Field, Snaefellsnes Peninsula, Iceland
Poas volcano, Poas National Park, Costa Rica, Central America
Mount Vesuvius, a volcano located on the Bay of Naples about 9km from the city of Naples, Campania, Italy
Poas volcano, Poas National Park, Costa Rica, Central America
Arenal volcano, Arenal Volcano National Park, La Fortuna, Costa Rica
Arenal volcano, Arenal Volcano National Park, La Fortuna, Costa Rica
Landscape in the Chalten Massif, Patagonia, Argentina
Mountain landscape on Kilimanjaro, 5895 metres, UNESCO, highest mountain in Africa and one of the Seven Summits, Tanzania
Views of the active Popocateptl volcano, with a plume of smoke from historical old town in Puebla, Mexico
The giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona, USA
AlUla Zipline, from Harrat volcanic plateau, racing 1.5km at up to 120km/hr, in incredible scenery of the Mountains, Medina Province, Saudi Arabia
AlUla Zipline, from Harrat volcanic plateau, racing 1.5km at up to 120km/hr, in incredible scenery of the Mountains, Medina Province, Saudi Arabia
AlUla Zipline, from Harrat volcanic plateau, racing 1.5km at up to 120km/hr, in incredible scenery of the Mountains, Medina Province, Saudi Arabia
Mountainscape viewed from the top of Harrat volcanic plateau, AlUla, Medina Province, Saudi Arabia
AlUla Zipline, from Harrat volcanic plateau, racing 1.5km at up to 120km/hr, in incredible scenery of the Mountains, Medina Province, Saudi Arabia
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Tousside volcano above Trou du Natron, Tibesti Mountains, Chad
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Aerial over Trou du Natron with volcano Tousside in the background, Tibesti Mountains, Chad
Aerial over Trou du Natron with volcano Tousside in the background, Tibesti Mountains, Chad
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
Irazu volcano, Irazu Volcano National Park, Cartago Province, Costa Rica
Irazu volcano, Irazu Volcano National Park, Cartago Province, Costa Rica
Volcanic cinder rim in Coconino National Forest, Arizona, USA
A view of the boiling mud at Namafjall, Iceland
A view of the boiling mud at Namafjall, Iceland
Hikers inside the caldera Enclos Fouque, Piton de la Fournaise, Reunion
Hikers inside the caldera Enclos Fouque, Piton de la Fournaise, Reunion
Mount Bromo in fog at night, Bromo Tengger Semeru National Park, East Java, Indonesia
Waiotapu Thermal Wonderland, North Island, New Zealand. Views of steaming craters on the Waiotapu Thermal Track, New Zealand
AlUla Zipline, from Harrat volcanic plateau, racing 1.5km at up to 120km/hr, in incredible scenery of the Mountains, Medina Province, Saudi Arabia
Adult rockhopper penguins (Eudyptes chrysocome chrysocome) at breeding and molting colony on New Island, Falkland Islands
Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad
View of geysers at Geysir Hot Springs in winter, Western Region, Iceland
A view of the boiling mud at Namafjall, Iceland
Small crater of Formica Leo volcano in caldera Enclos Fouque near Piton de la Fournaise, Reunion
Landscape around the road to the Piton de la Fournaise, Reunion
Piton de la Fournaise volcano, Reunion
Grand Etang is the largest lake of the island, Reunion
Guests from the Lindblad Expedition ship National Geographic Endeavour in the Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America
Tousside volcano above Trou du Natron, Tibesti Mountains, Chad
Volcanic scenery in the valley of Alto Mira, northwest Saint Anthony, Cape Verde
Volcanic scenery in the valley of Alto Mira, northwest Saint Anthony, Cape Verde
The spectacular scenery of the north coast and volcanic highlands of Saint Anthony, Cape Verde
View of geysers at Geysir Hot Springs in winter, Western Region, Iceland
View of geysers at Geysir Hot Springs in winter, Western Region, Iceland
Continental drift between North American and Eurasian tectonic plates, Thingvellir National Park, UNESCO, in winter, Western Region, Iceland
Continental drift between North American and Eurasian tectonic plates, Thingvellir National Park in winter, UNESCO, Western Region, Iceland
A cyclist cycling on a road in the Timanfaya national park in Lanzarote in the Canary Islands, Spain
view of Volcanoes and the Volcanic landscape with the Atlantic Ocean in the Timanfaya national park in Lanzarote in the Canary Islands, Spain
Volcanic landscape with small plants in the Timanfaya national park in Lanzarote in the Canary Islands, Spain
Cruise ship passengers bathing in sea warmed by volcanic activity, Deception Island, Antarctic Peninsula, Antarctica, Polar Regions
Many mullet and trevally during fish feeding at Ned's Beach, one of the most popular tourist activities on this 10km long volcanic island with the world's most southerly coral reef in the Tasman Sea, Lord Howe Island, New South Wales, Australia, Pacific
Hot water pools in this area of geothermal activity, Geysir, Iceland, Polar Regions
Dormant 10,457ft Lassen Peak, the world's largest plug-dome volcano, in Lassen Volcanic National Park, an area of volcanic activity and features, Lassen Volcanic Park, Northern California, California, United States of America (USA), North America
Looking south towards Lake Helen from dormant 10,457ft Lassen Peak, the world's largest plug-dome volcano, in Lassen Volcanic National Park, an area of volcanic activities and features, Lassen Volcanic Park, Northern California, California, United States of America (USA), North America