Wild Wonders of Europe / Relanzón / Crater of Pico Viejo / Chaorra Mountain (2,909m) from the summit of the Teide volcano, Teide National Park, Tenerife, Canary Islands, Spain, December 2008

Wild Wonders of Europe / Relanzón / Shadow of the Teide volcano in sea of clouds at sunset, Teide National Park, Tenerife, Canary Islands, Spain, December 2008

Wild Wonders of Europe / Relanzón / Pico Viejo volcano (2,909m) viewed from Montaa Samara at sunset, Teide National Park, Tenerife, Canary Islands, Spain, December 2008

Jouan & Rius / Volcanic landscape of Landmannalaugar at dusk, Iceland 2005

Jouan & Rius / Moss covered rocks in lava field, central Iceland 2005

Jouan & Rius / Multicoloured earth of the volcanic landscape of Landmannalaugar, volcanic massif, Iceland 2005

Juan Carlos Munoz / View from the caldera rim of the Chico Volcano, Sierra Negra, Isabela Island, Galapagos, January 2009

Eric Baccega / Young Mountain gorilla standing up in the rain (Gorilla beringei beringei) Volcanoes National Park, Rwanda, Africa, March 2009

Andy Rouse / Parc National des Volcans / Volcanoes NP, Virunga Mountains, Rwanda, Africa, habitat of the Mountain gorillas

Andy Rouse / Mountain gorilla (Gorilla beringei beringei) silverback moving through habitat, Volcanoes NP, Virunga mountains, Rwanda

Andy Rouse / Mountain gorilla (Gorilla beringei beringei) close up of eye, Volcanoes NP, Virunga mountains, Rwanda

Andy Rouse / Mountain gorilla (Gorilla beringei) blackback male in rainforest, in front of Sabinyo volcano, Volcanoes NP, Virunga mountains, Rwanda (non-ex)

Andy Rouse / Mountain gorilla (Gorilla beringei beringei) silverback watching through forest, Virunga Mountains, Volcanoes NP, Rwanda (non-ex)

Andy Rouse / Mountain gorilla (Gorilla beringei beringei) juvenile hanging from branch, Volcanoes NP, Virunga mountains, Rwanda

Andy Rouse / Mountain gorilla (Gorilla beringei beringei) silverback male scratching head, drunk on bamboo shoots, Volcanoes NP, Virunga mountains, Rwanda Note - if gorillas eat an excess of bamboo shoots they ca...

Andy Rouse / Mountain gorilla (Gorilla beringei beringei) mother and baby with hairy head, Volcanoes NP, Virunga mountains, Rwanda

Andy Rouse / Mountain gorilla (Gorilla beringei beringei) close up of feet showing toe curled around branch, Volcanoes NP, Virunga mountains, Rwanda

Andy Rouse / Mountain gorilla (Gorilla beringei beringei) mother cradling and kissing foot of 1 week baby, Volcanoes NP, Virunga Mountains, Rwanda

Andy Rouse / Mountain gorilla (Gorilla beringei beringei) silverback male playing in habitat, drunk on bamboo shoots, Volcanoes NP, Virunga mountains, Rwanda Note - if gorillas eat an excess of bamboo shoots they...

Andy Rouse / Mountain gorilla (Gorilla beringei beringei) silverback, face portrait, Volcanoes NP, Virunga mountains, Rwanda

Andy Rouse / Mountain gorilla (Gorilla beringei beringei) silverback portrait, Volcanoes NP, Virunga mountains, Rwanda

Andy Rouse / Mountain gorilla (Gorilla beringei beringei) baby with hairy head, Volcanoes NP, Virunga mountains, Rwanda

Andy Rouse / Mountain gorilla (Gorilla beringei beringei) mother with young and silverback male in background, Volcanoes NP, Virunga Mountains, Rwanda

Mary McDonald / Mountain gorilla {Gorilla beringei} silverback male yawning, Volcans NP, Rwanda.

Pete Oxford / Galapagos Giant Tortoise (Geochelone elephantophus vandenburghi) near fumaroles, Alcedo Volcano crater floor, Isabela Island, Galapagos Islands

Inaki Relanzon / Lava fields in the Landmannalaugar mountains, central Iceland. July 2008

Igor Shpilenok / Kronotskaya River and the Kronotsky Volcano covered in snow in April, Kronotsky Zapovednik, Kamchatka, Far East Russia

Igor Shpilenok / First snow on the smoking Karymsky volcano and lake in October, Kronotsky Zapovednik, Kamchatka, Far East Russia.

Igor Shpilenok / Kamchatka brown bear (Ursus arctos beringianus) fishing for salmon in the Kronotskaya River at the foot of the Kronotsky Volcano, covered with a fresh coat of snow in September, Kronotsky Zapovednik,...

Igor Shpilenok / Snow-covered Kronotsky volcano connected to the Pacific Coast by the Kronotskaya river, Kronotsky Zapovednik, Kamchatka, Far East Russia

Igor Shpilenok / A hot spring ringed by thermophilic bacteria in the vast caldera of the Uzon Volcano, Kronotsky Zapovednik, Kamchatka, Far East Russia .

Igor Shpilenok / Snow-covered Kronotsky Volcano rises above wetland forest and river, Kronotsky Zapovednik, Kamchatka, Far East Russia

Igor Shpilenok / Black smoke belching from the Karymsky volcano, Kamchatka, Far East Russia

Igor Shpilenok / Larch tree in snow with the Kronotsky Volcano in the background, Kronotsky Zapovednik, Kamchatka, Far East Russia

Igor Shpilenok / Karymsky volcano, one of the most active volcanoes on Kamchatka, it is constantly belching smoke and sometimes lava and ash, Kamchatka, Far East Russia

Igor Shpilenok / Snow-covered Kronotsky and Krashennikov volcanoes in April, Kronotsky Zapovednik, Kamchatka, Far East Russia

Igor Shpilenok / Looking down into the crater lake of the Maly Semyachik Volcano with ice at the rim and azure blue colouring caused by the acidic water, July.

Igor Shpilenok / Steaming fissures and geysers in the caldera of Uzon Volcano, Kronotsky Zapovednik, Kamchatka, Far East Russia

Igor Shpilenok / The cold waters of the Pacific ocean wash the shores of Kamchatka, above which fiery volcanic ridges rise, Kronotsky Zapovednik, Kamchatka, Far East Russia

Igor Shpilenok / Panoramic view of Kronotsky River and Kronotsky Volcano with Kamchatka brown bear (Ursus arctos beringianus) fishing in the river, Kronotsky Zapovednik, Kamchatka, Far East Russia

Inaki Relanzon / Hiking in the Vatnajkull glacier, the largest in Europe, on the ice-covered Oraefajokull volcano, the largest active volcano in Iceland. Skaftafell National Park, Iceland

TJ Rich / Mountain gorilla {Gorilla berengei berengei} lying down portrait, Parc des Volcans NP, Rwanda

Pete Oxford / Lava from volcano falling into sea, Fernandina island, Galapagos

Jack Dykinga / Cerro Colorado volcano crater at sunset with Sierra de los Tanques in background, Biosphere Reserve of Pinacate and Gran Desierto Altar, Sonora, Mexico

Doug Perrine / Hot molten pillow lava erupts from an underwater lava tube at ocean entry of Kilauea Volcano on Hawaii Island, Hawaii

Niall Benvie / Route 10 winding through basalt landscape, near Skagafjordur, Eysturoy, Faroe Islands. June 2006

Ingo Arndt / Mountain Gorilla (Gorilla gorilla beringei) juvenile, Parc National Des Volcans, Rwanda

Ingo Arndt / Mountain Gorilla (Gorilla gorilla beringei) baby, Parc National Des Volcans, Rwanda

Ingo Arndt / Mountain Gorilla (Gorilla gorilla beringei) Susa group showing male silverback, two females and two juveniles, Parc National Des Volcans, Rwanda

Ingo Arndt / Mikeno Volcano (3634 meters) with lenticular cloud, Republic of the Congo in the Virunga heartland, view from Rwanda

Suzi Eszterhas / Mountain Gorilla (Gorilla gorilla beringei) 10 month old infant playfully climbing bamboo pole, endangered, Parc National Des Volcans, Rwanda

Suzi Eszterhas / Mountain Gorilla (Gorilla gorilla beringei) 10 month old infant riding on mother's back, endangered, Parc National Des Volcans, Rwanda

TJ Rich / Twin Sisters, Ascension Island

Jabruson / Volcanic eruption of Kimanura volcano, 1989, Democratic Republic of Congo

Doug Perrine / Lava flowing from Lae'apuki bench into the sea during Pu'u O'o eruption, Kilauea Volcano, Hawaii, Jan 2000

Jabruson / Lava flow and corresponding fire moving through forest, Kimanura volcanic eruption, Virunga NP, Democratic Republic of Congo.

Anup Shah / Mountain gorilla {Gorilla beringei} silverback portrait, Parc du Volcans NP, Rwanda

Anup Shah / Mountain gorilla {Gorilla beringei} mother with young, Parc du Volcans NP, Rwanda

Anup Shah / Mountain gorilla {Gorilla beringei} portrait, Parc du Volcans NP, Rwanda

Anup Shah / Aerial view of the Sugata river, Sugata valley in the Great Rift Valley, Northern Kenya

Anup Shah / Aerial view of Mabuyatom volcano, Lake Turkana, Great Rift Valley, Northern Kenya

Anup Shah / Flamingos on shores of Lake Logipi, Great Rift Valley, Northern Kenya

Anup Shah / Aerial view inside crater of Mt Longohot, Mount Longonot NP, Kenya

Jabruson / Lava explodes from active volcano, Kimanura eruption, Virunga NP, Democratic Republic of Congo (formerly Zaire)

Suzi Eszterhas / Mountain gorilla {Gorilla beringei} mother with 10-months infant in bamboo forest, Parc National des Volcans, Rwanda

Suzi Eszterhas / Mountain gorilla {Gorilla beringei} 12-months twins climbing tree, Parc National des Volcans, Rwanda

Suzi Eszterhas / Mountain gorilla {Gorilla beringei} mother holding newborn baby, Parc National des Volcans, Rwanda

Suzi Eszterhas / Mountain gorilla {Gorilla beringei} mother holding 10-months infant, Parc National des Volcans, Rwanda

Suzi Eszterhas / Mountain gorilla {Gorilla beringei} mother holding 10-months infant, Parc National des Volcans, Rwanda

Igor Shpilenok / Taunshitz Volcano covered in snow, Kronotsky Zapovednik Reserve, Russia.

Igor Shpilenok / Aerial view of Karymskoye Lake with Karymsky, the most active volcano on Kamchatka, smoking in background, Russia.

Igor Shpilenok / Kronotsky Volcano with reflection in Kronotsky Lake, Zapovednik Reserve, Kamchatka, Russia.

Igor Shpilenok / Kluchevskoy Volcano, the highest volcano in Eurasia, flanked by volcanos Plosky (flat) Tolbachik and Ostry (sharp) Tolbachik. Kluchevskoy Nature Reserve, Central Kamchatka. .

Igor Shpilenok / Spring in the caldera of the Uzon Volcano, Kronotsky Zapovednik Reserve, Russia.

Pete Oxford / Cotopaxi Volcano (5897 meters) and herd of Alpacas (Lama pacos), Highest active volcano in the world, surrounded by Paramo Habitat, Cotopaxi National Park, Andes, Ecuador

Pete Oxford / Cotopaxi Volcano (5897 meters) and Indian boy with long haired Suri Alpaca (Lama pacos) Highest active volcano in the world, surrounded by Paramo Habitat, Cotopaxi NP, Andes, Ecuador

Pete Oxford / Cotopaxi Volcano (5897 meters) and herd of Alpacas (Lama pacos) Highest active volcano in the world, surrounded by Paramo Habitat, Cotopaxi National Park, Andes, Ecuador

Doug Perrine / Pahoehoe lava flows off Lae' apuki bench into sea, Kilauea volcano, Hawaii, USA. Jan 2000

Anup Shah / Aerial view of Ol Doinyo Lengai (The Mountain of God) Volcano, Rift Valley, Tanzania. Note- light gray flows known as 'squeeze-ups' from the highly fluid lava, still active.

Anup Shah / Mountain gorilla silverback portrait (Gorilla beringei) Parc des Volcans National Park, Rwanda

Anup Shah / Mountain gorilla portrait (Gorilla beringei) pensive male, Parc des Volcans National Park, Rwanda

Anup Shah / Mountain gorilla portrait eating plant stem (Gorilla beringei) looking throughtful, Parc des Volcans National Park, Rwanda

Anup Shah / Aerial view of Ol Doinyo Lengai Crater (The Mountain of God) Rift Valley, Tanzania. Note- small cones on crater floor formed by previous eruptions of lava, still active.

Doug Perrine / Pahoehoe lava flows off Lae' apuki bench into sea, at night, Kilauea active volcano, Hawaii, USA. Jan 2000

Doug Perrine / Pahoehoe lava flows off Lae' apuki bench into sea, Kilauea active volcano, Hawaii, USA. Jan 2000

Doug Perrine / Volcanic lava flow enters the sea, Kilauea active volcano, Hawaii, USA. January 2000.

Gabriel Rojo / Lanin volcano, Lanin National Park, Argentina

Doug Perrine / Izaco volcano, El Salvador, Central America

Doug Perrine / Hot pahoehoe lava flowing from Kilauea Volcano onto Lae'apuki Bench, Hawaii Volcanoes National Park

Doug Perrine / Hot pahoehoe lava flowing from Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii.

Warwick Sloss / Plant {Chrysactinium sp} flowering in volcanic rock Villarica volcano, Chile

Gabriel Rojo / Lanin volcano, Lanin National Park, Argentina

Luiz Claudio Marigo / Petrohue river and Osorno volcano, Vicente Peres Rosales National Park, S Chile

Doug Perrine / Hot pahoehoe lava flowing from Kilauea Volcano, Hawaii Volcanoes National Park, Hawaii.

Pete Oxford / Domesticated Llama {Lama glama} with snow capped volcano om background, Quetena River Valley, SW Bolivia

Nigel Marven / Volcanic cone, Badkhyz, Uzbekistan, Russia