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27 results found

Mud pots, fumaroles and dormant Volcan Santa Clara at the San Jacinto volcanic thermal area north of Leon, Leon, Nicaragua, Central America

The volcanic mountain chain of the Virunga National Park, UNESCO World Heritage Site, Democratic Republic of the Congo, Africa

Backpacker walking across dried up lake towards Llaima volcano, Conguillio National Park, Chile, South America

Steaming volcanic mud pools, Rincon de la Vieja National Park at foot of Rincon Volcano, Gaunacaste, Costa Rica

Mount Vesuvius behind the ruins of the Roman resort of Herculaneum, destroyed in the eruption of AD 79 which covered the town in lava and mud, Herculaneum, near Naples, Campania, Italy, Europe

Hot pools and boiling mud at Namaskard thermal area, Hverarond, near Lake Myvatn, North area, Iceland, Polar Regions

Bathers enjoying the therapeutic benefits of the volcanic mud in the hot spring pool, Vulcano Island, Aeolian Islands, UNESCO World Heritage Site, north of Sicily, Italy, Mediterranean, Europe

Furnas Valley, a site of bubbling hot springs and fumaroles on the Azorean capital island of Sao Miguel, Azores, Portugal, Europe

Tourists around the hot mud pools at Namaskard thermal area, Hverarond, near Lake Myvatn, North area, Iceland, Polar Regions

One of the Emerald Lakes, explosion craters filled with mineral-tinted water, on Mount Tongariro in the Tongariro National Park on the central plateau, North Island, New Zealand

Steaming volcanic mud pools, Rincon de la Vieja National Park at foot of Rincon Volcano, Gaunacaste, Costa Rica

Steaming volcanic mud pools, Rincon de la Vieja National Park at foot of Rincon Volcano, Guanacaste, Costa Rica, Central America

Blisters measuring about 10 cm across in boiling mud pool, Mud volcano, Yellowstone National Park, UNESCO World Heritage Site, Wyoming, United States of America (U.S.A.), North America

Steaming volcanic mud pools, Rincon de la Vieja National Park, at foot of Rincon Volcano, Guanacaste, Costa Rica, Central America

One of the many bubbling mud pools in a hot spring area on the outskirts of Hveragerdi, a geothermal hot spot, with steam rising from fumeroles right in the middle of town, South West Iceland, Polar Regions

2008 Uzon Valley Vista, geothermal ground, 2008, Water table, mud flats, sulphuric mud, volcanic mud, geothermal surface. Valley Of Uzon, Valley of Geysers, Petroavlovsk, Russia, Asia

Geothermal activity, Sulphur mud, volcanic activity, Valley Of Uzon, Valley of Geysers, Petroavlovsk, Russia, Asia

One of the many bubbling mud pools in a hot spring area on the outskirts of Hveragerdi, a geothermal hot spot, with steam rising from fumeroles right in the middle of town, South West Iceland, Polar Regions

One of the many bubbling mud pools in a hot spring area on the outskirts of Hveragerdi, a geothermal hot spot, with steam rising from fumeroles right in the middle of town, South West Iceland, Polar Regions

Solfataras, fumaroles, mud pools, sulfur and other minerals, viewing platform, steam, Hveraroend geothermal area, N√°mafjall mountains, M√Ωvatn area, Nor√∞urland eystra, the north-east region, Iceland, Europe

Solfataras, fumaroles, mud pools, sulfur and other minerals, steam, Hveraroend geothermal area, N√°mafjall mountains, M√Ωvatn area, Nor√∞urland eystra, the north-east region, Iceland, Europe

Solfataras, fumaroles, mud pools, sulfur and other minerals, steam, Hveraroend geothermal area, N√°mafjall mountains, M√Ωvatn area, Nor√∞urland eystra, the north-east region, Iceland, Europe

Solfataras, fumaroles, mud pots, sulfur and other minerals, a woman on the viewing platform at the back, high-temperature geothermal area or Hverarond or Hverir, Namafjall mountains, Myvatn area, Norourland eystra, Iceland, Europe

Seltun, Seltun, hot springs and mud pots, geothermal area, Krysuvik high temperature area, Krisuvik, Reykjanes peninsula, near Reykjavik, Iceland, Europe

Boiling mud, high temperature area Namaskaro or Namskard, Namafjall, Myvatn or Myvatn, Northern Iceland, Iceland, Europe

Boiling mud, splashing mud pot, high-temperature area Namaskaro or Namskard, Namafjall, Myvatn or Myvatn, North Iceland, Iceland, Europe

Mud bubble, mud pot, high temperature area Namaskaro or Namskard, Namafjall, Myvatn or Myvatn, North Iceland, Iceland, Europe

Hikers in the geothermal area Hveradalir in the mountains Kerlingarfjoell in the highlands of Iceland. Europe, Northern Europe, Iceland, August

Signpost for hikers in the geothermal area Hveradalir in the mountains Kerlingarfjoell in the highlands of Iceland. Europe, Northern Europe, Iceland, August

Hikers in the geothermal area Hveradalir in the mountains Kerlingarfjoell in the highlands of Iceland. Europe, Northern Europe, Iceland, August

Hikers in the geothermal area Hveradalir in the mountains Kerlingarfjoell in the highlands of Iceland. Europe, Northern Europe, Iceland, August

Landscape in the geothermal area Hveradalir in the mountains Kerlingarfjoell in the highlands of Iceland. Europe, Northern Europe, Iceland, August

A blue coloured boiling hot mud pool emanates steam as the sunset colours the sky orange, in Hverarâândor Hverir Geothermal Area at Namaskard Pass, North Iceland.

Close-up view of Dammuso architecture, a typical, stone house structure on Pantelleria Island, Sicily, Italy

Close-up view of Dammuso architecture, a typical, stone house structure on Pantelleria Island, Pantelleria Island, Trapani, Sicily, Italy