Valle Mendoza | Puente del Inca
El Tatio | Fumarole
El Tatio with fumaroles and tourists
El Tatio | Geothermal field with tourists
El Tatio | Geothermal field
El Tatio | Geothermal field at sunrise
El Tatio | Geothermal field at sunrise
El Tatio | Geothermal field at sunrise
El Tatio | Geothermal field
El Tatio | Geothermal field
El Tatio | Mud pot
El Tatio | Fumarole
El Tatio | Thermal bath
El Tatio with former geothermal power plant
Termales San Juan | Sulphur spring
Termales San Juan | Sulphur springs
Fogo | Summit crater of Pico do Fogo
Hévízi-tó with Hévíz Spa
Hévízi-tó with Hévíz Spa
Hévízi-tó with Hévíz Spa
Hawai'i Volcanoes NP | Steam Bluffs
Reykjanes Peninsula with Blue Lagoon
Reykjanes Peninsula with Grindavik
Haukadalur | Strokkur
Mývatn | Geothermal power plant
Mývatn with geothermal power plant
Mývatn | Hverir
Mývatn | Hverir
Mývatn | Hverir
Mývatn | Hverir
Mývatn | Hverir
Askja Caldera | Víti and Öskjuvatn
Askja Caldera | Víti and Öskjuvatn
Soufrière Hills Volcano | Sulfur dioxide emissions
Morne Trois Pitons NP | Valley of Desolation
Morne Trois Pitons NP | Valley of Desolation
Morne Trois Pitons NP | Valley of Desolation
Morne Trois Pitons NP | Geothermal field
Morne Trois Pitons NP | Geothermal field
Morne Trois Pitons NP | Geothermal field
Morne Trois Pitons NP with geothermal fields
Morne Trois Pitons NP | Boiling Lake
Whakaari / White Island | Sulphurous fumarole
Whakaari / White Island | Fumarole
Whakaari / White Island | Field of sulphurous fumaroles
Whakaari / White Island | Field of sulphurous fumaroles
Whakaari / White Island | Panorama of the crater area
Whakaari / White Island | Panorama of the crater lake
Bay of Plenty with Whakaari / White Island
Alichur Pamir | Geyser