832-406722 - Stillness in the water and clear skies in Crater Lake National Park Oregon State North America

832-406749 - Krafla lake in the crater of an extinct volcano. Lake water bright green color. On the shores lie snowfields from last year

832-407006 - Yellow rocks and cliffs on a sandy beach. A bay by the sea, over which the old stone bridge of the Pinhão fortress connects two cliffs. Praia da Caldeira, Lagos. Algarve, Portugal, Europe

832-407018 - View from Imerovigli over the caldera to Fira, Santorini, Cyclades, Greece, Europe

832-407035 - Traditional offerings and a statue on an altar with a misty volcano background, Bromo volcano, Sri Lanka, Asia

1311-1287 - Volcanic cinder hill in Coconino National Forest near Sunset Crater National Monument of Arizona with a pine tree backlit by the sun.

1311-1286 - Volcanic cinder rim in Coconino National Forest near Sunset Crater National Monument of Arizona. Humphrey's Peak is in the background.

1311-1285 - Burned trees on a Volcanic cinder rim in Coconino National Forest near Sunset Crater National Monument of Arizona. Humphrey's Peak is in the background.

1311-1284 - Burned trees on a Volcanic cinder rim in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1283 - Burned trees on a Volcanic cinder rim in Coconino National Forest near Sunset Crater National Monument of Arizona. Humphrey's Peak is in the background.

1311-1282 - Volcanic cinder rim in Coconino National Forest near Sunset Crater National Monument of Arizona. Humphrey's Peak is in the background.

1311-1281 - Burned trees on a Volcanic cinder rim in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1280 - Burned trees on a Volcanic cinder rim in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1279 - O'Leary Peak viewed from a Volcanic cinder rim slope in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1278 - Volcanic cinder hill in Coconino National Forest near Sunset Crater National Monument of Arizona with snow capped Humphrey's Peak in the background.

1311-1277 - Volcanic cinder hills in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1275 - Volcanic cinder hills in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1274 - Lone Pine Tree in a volcanic valley in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1272 - Volcanic cinder hills in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1271 - Volcanic cinder hills in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1270 - Volcanic cinder hills in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1269 - An SUV traveling near Volcanic cinder hills in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1268 - A burned tree below a volcanic cinder hill in the Coconino National Forest near Sunset Crater National Monument Arizona.

1311-1266 - The southeast summit of O'Leary Peak viewed from a volcanic cinder hill in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1265 - Volcanic cinder hills in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1264 - Volcanic cinder hills in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1263 - Volcanic cinder hills in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1262 - Volcanic cinder hills in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1261 - Volcanic cinder hills in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1260 - Volcanic cinder hills in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1259 - Volcanic cinder hills in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1258 - The southeast summit of O'Leary Peak viewed from a volcanic ridge in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1257 - Humphrey's Peak viewed from a volcanic ridge in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1256 - Volcanic cinder hills in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1255 - Volcanic cinder hills in Coconino National Forest near Sunset Crater National Monument of Arizona.

1311-1254 - Lone Pine Tree in a volcanic valley in Coconino National Forest near Sunset Crater National Monument of Arizona.

1387-1529 - Lake inside a crater, Iceland.

1387-1257 - February 24, 2013 - Mushroom shaped ash cloud produced by powerful explosive eruption of Sakurajima volcano, Kagoshima, Japan.

1387-1256 - February 24, 2013 - Ash cloud rising following eruption of Sakurajima volcano, Japan

1387-1255 - February 24, 2013 - Powerful explosive eruption of Sakurajima volcano, Japan. Ash cloud rises against blue sky.

1387-1254 - February 23, 2013 - Powerful night time explosive eruption of Sakurajima volcano, Japan. Trajectories of glowing incandescent volcanic bombs are visible.

1387-1253 - February 23, 2013 - Powerful night time explosive eruption of Sakurajima volcano, Japan. Trajectories of glowing incandescent volcanic bombs are visible. Static lightning discharges are visible at top of picture.

1387-1252 - 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.

1387-1251 - 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.

1387-1250 - 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.

1387-1247 - 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.

1387-1246 - November 27, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.

1387-1245 - November 26, 2012 - Powerful explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.

1387-1243 - November 26, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.

1387-1242 - November 25, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.

1387-1241 - November 26, 2012 - Explosive strombolian type eruption of Batu Tara volcano, Komba Island, Indonesia. Trajectories of red glowing lava bombs are visible.

1387-1238 - January 24, 2012 - Scoria cone on Nyamuragira Volcano, Democratic Republic of Congo.

1387-1236 - January 24, 2012 - Lava in crater glowing during blue hour on Nyamuragira Volcano, Kimanura Eruption.

1387-1235 - January 22, 2012 - Glowing lava in crater illuminating gas cloud above Nyamuragira Volcano, Kimanura Eruption.

1387-1234 - January 22, 2012 - Bush silhouetted against glow of lava in crater of Nyamuragira Volcano, Kimanura Eruption.

1387-1211 - November 2007 - Aerial view of crater lake in Tongariro volcanic complex, New Zealand.

1387-1210 - November 2007 - Snow-covered Ngauruhoe cone, Mount Tongariro volcano, New Zealand.

1387-1209 - November 2007 - Aerial view of 1886 basaltic plinian eruption fissure in rhyolite dome complex, Mount Tarawera volcano, New Zealand.

1387-1208 - November 2007 - Aerial view of 1886 basaltic plinian eruption fissure in rhyolite dome complex, Mount Tarawera volcano, New Zealand.

1387-1207 - November 2007 - Aerial view of White Island (Whakaari) volcano with central acidic crater lake, Bay of Plenty, New Zealand.

1387-1206 - January 22, 2011 - Lava Lake with small lava fountains, Nyiragongo Volcano, Democratic Republic of the Congo.

1387-1205 - January 22, 2011 - Lava Lake in bottom of summit caldera, Nyiragongo Volcano, Democratic Republic of the Congo.

1387-1204 - January 21, 2011 - Small fountains in lava lake, Nyiragongo Volcano, Democratic Republic of the Congo.

1387-1203 - January 21, 2011 - Active lava lake in pit crater, Nyiragongo Volcano, Democratic Republic of the Congo.

1387-1202 - January 21, 2011 - Lava rafts floating on lava lake in summit caldera, Nyiragongo Volcano, Democratic Republic of the Congo.

1387-1201 - January 21, 2011 - Nighttime view of summit caldera with lava lake, Nyiragongo Volcano, Democratic Republic Congo.

1387-1200 - January 21, 2011 - Nighttime view of lava lake in pit crater, Nyiragongo Volcano, Democratic Republic of the Congo.

1387-1199 - January 21, 2011 - Nighttime view of lava lake in pit crater, Nyiragongo Volcano, Democratic Republic of the Congo.

1387-1197 - May 20, 2008 - Lava bomb trajectories visible during nighttime vulcanian eruption of Anak Krakatau volcano, Sunda Strait, Java, Indonesia.

1387-1196 - May 20, 2008 - Lava bomb trajectories visible during nighttime vulcanian eruption of Anak Krakatau volcano, Sunda Strait, Java, Indonesia.

1387-1178 - February 11, 2008 - Dallol geothermal area, 1926 explosion crater by Black Mountain, Danakil Depression, Ethiopia.

1387-1177 - February 10, 2008 - Dallol geothermal area, brine hot springs, Danakil Depression, Ethiopia.

1387-1176 - January 30, 2011 - Lava lake illuminating walls of pit crater at nightfall, Erta Ale volcano, Danakil Depression, Ethiopia.

1387-1175 - January 30, 2011 - Lava lake illuminating walls of pit crater at nightfall, Erta Ale volcano, Danakil Depression, Ethiopia.

1387-1174 - January 27, 2011 - Dallol geothermal area, potassium salt deposits formed by brine hot springs, Danakil Depression, Ethiopia.

1387-1173 - January 27, 2011 - Dallol geothermal area, potassium salt deposits formed by brine hot springs, Danakil Depression, Ethiopia.

1387-1172 - January 27, 2011 - Dallol geothermal area, potassium salt deposits formed by brine hot springs, Danakil Depression, Ethiopia.

1387-1171 - January 27, 2011 - Dallol geothermal area, potassium salt deposits formed by brine hot springs, Danakil Depression, Ethiopia.

1387-1170 - January 27, 2011 - Dallol geothermal area, potassium salt deposits formed by brine hot springs, Danakil Depression, Ethiopia.

1387-1169 - January 27, 2011 - Dallol geothermal area, terraces, potassium salt deposits formed by brine hot springs, Danakil Depression, Ethiopia.

1387-1168 - January 27, 2011 - Dallol geothermal area, terraces of potassium salt deposits formed by brine hot springs, Danakil Depression, Ethiopia.

1387-1167 - January 27, 2011 - Dallol geothermal area, potassium salt deposits formed by brine hot springs, Danakil Depression, Ethiopia.

1387-1166 - January 27, 2011 - Dallol geothermal area, potassium salt deposits formed by brine hot springs, Danakil Depression, Ethiopia.

832-406274 - The Gran Cratere, Vulcano Island, Tyrrhenian Sea, Aeolian Islands, Italy, Europe

1311-1180 - Sunset Crater Volcano viewed from the forested slope of O'Leary Peak in northern Arizona.

832-406010 - Aerial view of a large volcanic crater in the middle of a barren desert landscape, Argentina, volcanoes, lava field, Antofagasta, South America

1311-1152 - The giant sinkhole known as Johnson Crater in the Kaibab National Forest near Ash Fork Arizona, USA

1112-11995 - A view of the boiling mud at Namafjall, Iceland

1184-13617 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13613 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13612 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13611 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13610 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13609 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13608 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13607 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13606 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13605 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad

1184-13603 - Aerial over Trou du Natron with volcano Tousside in the background, Tibesti Mountains, Chad

1184-13601 - Aerial of the Trou du Natron volcanic crater and its natron lakes, Tibesti Mountains, Chad