Pete Oxford / Bartolome Island a landscape of lava and ash, Galapagos Islands, Ecuador

Pete Oxford / Greater Flamingo (Phoenicopterus ruber) group feeding in shallow water amid cool lava, Floreana Island, Galapagos Islands, Ecuador

Pete Oxford / Bartolome Island a landscape of lava and ash, Galapagos Islands, Ecuador

Pete Oxford / Lava Heron (Butorides sundevalli) camouflaged on lava, Genovesa Island, Galapagos Islands, Ecuador

Pete Oxford / Palo Santo (Bursera graveolens) trees and Mangroves (Avicennia sp) in bay surround cinder cone, Floreana Island, Galapagos Islands, Ecuador

Tim Fitzharris / Agathla Peak, the basalt core of an extinct volcano, Monument Valley, Arizona

Tim Fitzharris / Agathla Peak, the basalt core of an extinct volcano, Monument Valley, Arizona

Tim Fitzharris / Joshua Tree (Yucca brevifolia), cinder cones, and other desert vegetation, Mojave National Preserve, California

Tim Fitzharris / Joshua Tree (Yucca brevifolia), cinder cones, and other desert vegetation, Mojave National Preserve, California

Tim Fitzharris / Cinder cones at Mojave National Preserve, California

Mark Raycroft / Australian Cattle Dog (Canis familiaris) puppy

Mark Raycroft / Italian Greyhound (Canis familiaris) puppy with soccer equipment

Mark Raycroft / Alaskan Malamute (Canis familiaris) puppy in snow

Tui De Roy / Volcan Alcedo Giant Tortoise (Chelonoidis nigra vandenburghi) dew laden spider webs around fumarole vents, caldera rim, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Tui De Roy / Volcan Alcedo Giant Tortoise (Chelonoidis nigra vandenburghi) large males vie for space in coveted rainy season wallows, caldera rim, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Igor Shpilenok / Series of mud pots resulting from underground volcanic activity, Caldera Uzon, Kronotsky Zapovednik Reserve, Russia.

Igor Shpilenok / Boiling red clay mud pot, caused by underground volcanic activity, Valley of the Geysers, Kronotsky Zapovednik Reserve, Russia.

Tim Fitzharris / Ocean surf crashing on lava rocks at Molokini Crater, Maui, Hawaii

Tim Fitzharris / Lava rocks and surf on beach at sunset, Hawaii

Mitsuaki Iwago / Aerial view of Wolf Creek Meteor Crater, approximately 300,000 years old, 25 meters to the rim and 50 meters to the crater floor, north central Australia

Winfried Wisniewski / Kilauea volcano steaming, Hawaii Parc National Des Volcans, Big Island, Hawaii

Jan Vermeer / Eurasian Siskin (Carduelis spinus) adult in Pine (Pinus sp) tree, Europe

Winfried Wisniewski / Giant Candelabra Cactus (Jasminocereus thouarsii), Isabella Island, Galapagos Islands, Ecuador

Winfried Wisniewski / New growth on lava, Big Island, Hawaii

Michael & Patricia Fogden / Welwitschia (Welwitschia mirabilis) male cones, Namib Desert, Namibia

Michael & Patricia Fogden / Welwitschia (Welwitschia mirabilis) female cones with mating bugs, Namib Desert, Namibia

Gerry Ellis / White-haired Cycad (Encephalartos friderici-guilielmi) cones, Kirstenbosch Garden, South Africa

Mark Moffett / Wind Scorpion (Galeodidae) adult at the edge of Ramon Crater, Arava Rift Valley, Israel

Michael Hutchinson / Basalt log structures formed by volcanic activity, El Teide, Canadas National Park, Tenerife

Mark Moffett / Aerial view of tree-covered crater, San Cristobal Island, Galapagos Islands, Ecuador

Mark Moffett / Aerial view of craterized district, San Cristobal Island, Galapagos Islands, Ecuador

Pete Oxford / Crater of Guagua Pichincha, an active volcano in the Andes Mountains near Quito, Ecuador

Konrad Wothe / Pohutu Geyser erupting, Whakarewarewa, Rotorua, North Island, New Zealand

Konrad Wothe / Lady Knox Geyser erupting, Waiotapu Thermal Wonderland, North Island, New Zealand

Sumio Harada / Geyser spouting, Yellowstone National Park, Wyoming

Duncan Usher / Great Spotted Woodpecker (Dendrocopos major) has stored Pine (Pinus sp) cones in the bark of a tree, Europe

Duncan Usher / Great Spotted Woodpecker (Dendrocopos major) adult on tree trunk with a Pine (Pinus sp) cone, Europe

Martin van Lokven / Anak Krakatau Volcano erupting, Java, Indonesia

Jan Vermeer / Scotch Pine (Pinus sylvestris) cones with frost, Europe

Flip de Nooyer / Crested Tit (Lophophanes cristatus) in Pine (Pinus sp) tree, Europe

Tim Fitzharris / Wizard Island in the center of Crater Lake, lake fills a 6-mile wide caldera created by the eruption and collapse of Mt Mazama 7,000 years ago, Crater Lake National Park, Oregon

Tim Fitzharris / Coniferous forest surrounding Crater Lake, lake fills a six mile wide caldera created by the eruption and collapse of Mt Mazama 7,000 years ago, Crater Lake National Park, Oregon

Tim Fitzharris / Wind and rain eroded tufa formations along shore of Mono Lake, California

Tim Fitzharris / Wind and rain eroded tufa formations along shore of Mono Lake, California

Mark Sedon / Skier descending Mt Ruapehu above active Crater Lake, Tongariro National Park, New Zealand

Colin Monteath / Steaming fumaroles at sunset, Mt Erebus, Ross Island, Antarctica

Gerry Ellis / Eruption destruction, Bean Creek Valley, Mount St Helens National Volcanic Monument, Washington

Gerry Ellis / Crater and summit seen thru 1980 eruption damaged forest, Mount St Helens National Volcanic Monument, Washington

Gerry Ellis / Wind and rain eroded tufa formations along shore of Mono Lake, California

Gerry Ellis / Wind and rain eroded tufa formations along shore of Mono Lake, California

Gerry Ellis / Mineral tufa formations reflected in Mono Lake, California

Gerry Ellis / Wizard Island, cone of destroyed Mt Mazama and remains of lava flow in Crater Lake National Park, Oregon

Gerry Ellis / Wizard Island, cone of destroyed Mt Mazama and remains of lava flow in Crater Lake National Park, Oregon

Gerry Ellis / Sulphur pool and crater, Poas Volcano National Park, Costa Rica

Gerry Ellis / Sulphur pool and crater, Poas Volcano National Park, Costa Rica

Pete Oxford / Tungurahua volcano erupting, at 5,023 meters this active stratovolcano causes frequent tremors in the neighboring city of Banos, among the Andes Mountains, Ecuador

Pete Oxford / Tungurahua volcano erupting, at 5,023 meters this active stratovolcano causes frequent tremors in the neighboring city of Banos, among the Andes Mountains, Ecuador

Pete Oxford / Tungurahua volcano erupting, at 5,023 meters this active stratovolcano causes frequent tremors in the neighboring city of Banos, among the Andes Mountains, Ecuador

Pete Oxford / Tungurahua volcano erupting, at 5,023 meters this active stratovolcano causes frequent tremors in the neighboring city of Banos, among the Andes Mountains, Ecuador

Pete Oxford / Fumaroles at 4850 meters, altiplano region, Sol de Manana, southwestern Bolivia

Konrad Wothe / Devastation and regrowth from eruption, Mt Saint Helens National Volcanic Monument, Washington

Sumio Harada / Red Squirrel (Tamiasciurus hudsonicus) eating seeds from a Douglas Fir (Pseudotsuga menziesii) cone, Rocky Mountains, Montana

Sumio Harada / Red Squirrel (Tamiasciurus hudsonicus) walking along log with Pine (Pinus sp) cone in mouth, Rocky Mountains, North America

Gerry Ellis / Wind and rain eroded tufa formations along the south shore of Mono Lake, California

Gerry Ellis / Sunrise on tufa formation on the south shore of Mono Lake, California

Gerry Ellis / Wizard Island and lake shore, Mt Mazama, Crater Lake National Park, Oregon

Jan Vermeer / Hot steam vents, Iceland

Jan Vermeer / Hot steam vents, Iceland

Jan Vermeer / Eurasian Siskin (Carduelis spinus) male in Pine (Pinus sp) tree, Europe

Tui De Roy / Galapagos Hawk (Buteo galapagoensis) overlooking sulphur fumaroles on caldera rim, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Giant Tortoise (Chelonoidis nigra) amid steaming fumaroles along caldera rim, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Giant Tortoise (Chelonoidis nigra) group searching for moisture among steaming fumaroles on caldera rim, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Giant Tortoise (Chelonoidis nigra) group searching for moisture among steaming fumaroles on caldera rim, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Tui De Roy / Surtsey Island, new volcanic island born by a violent eruption in 1963, Westman Islands, Iceland

Tui De Roy / Surtsey Island, new volcanic island born by a violent eruption in 1963, Westman Islands, Iceland

Norbert Wu / Lava flow over road, Hawaii

Norbert Wu / Lava flow over road, Hawaii

Michael Quinton / Red Squirrel (Tamiasciurus hudsonicus) feeding on Lodgepole Pine (Pinus contorta) pinecone in the fall, Idaho

Norbert Wu / Sulfur vents fuming at active volcano, White Island, New Zealand

Norbert Wu / Sulfur vents fuming at active volcano, White Island, New Zealand

Tui De Roy / Galapagos Hawk (Buteo galapagoensis) overlooking 1000 meter deep caldera, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / An Aa lava flow entering sea along steep shoreline with resulting steam plumes, Cape Hammond, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Steam spews from erupting geysers, geyser geothermal field, Iceland

Tui De Roy / Galapagos Giant Tortoise (Chelonoidis nigra) large males on caldera rim, caldera rim, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Hawk (Buteo galapagoensis) overlooking sulphur fumaroles on caldera rim, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Jim Brandenburg / Erupting geysers, Yellowstone National Park, Wyoming

Tui De Roy / Galapagos Giant Tortoise (Chelonoidis nigra) grazing well cropped meadow on caldera floor, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Giant Tortoise (Chelonoidis nigra) large male in rainy season, caldera floor, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Land Iguana (Conolophus subcristatus) overlooking 1, 000 meters deep volcanic caldera, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Penguin (Spheniscus mendiculus) group on lava shoreline at sunset, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos Giant Tortoise (Chelonoidis nigra) on caldera rim at sunrise, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Tui De Roy / White-cheeked Pintail (Anas bahamensis) ducks on mineral lake in June 1975 prior to lake being destroyed by eruptions, Fernandina Caldera, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Galapagos native Gil De Roy admires nocturnal display of fountain lava, Cape Hammond, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / San Juan anchored near lava flow, Cape Hammond, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / New spatter cones in old vegetated crater with lava fountain from active vent along radial fissure on flank of shield volcano, Cape Hammond, Fernandina Island, Galapagos Islands, Ecuador

Tui De Roy / Advancing Aa lava flow slowly consuming vegetation in its path, Cape Hammond, Fernandina Island, Galapagos Islands, Ecuador