- El Tatio | Fumarole
- El Tatio with fumaroles and tourists
- El Tatio | Geothermal field at sunrise
- El Tatio with former geothermal power plant
- Fogo | Summit crater of Pico do Fogo
- Mývatn | Geothermal power plant
- Mývatn with geothermal power plant
- Mývatn | Hverir
- Mývatn | Hverir
- Mývatn | Hverir
- Askja Caldera | Víti and Öskjuvatn
- Askja Caldera | Víti and Öskjuvatn
- Mývatn | Hverir
- Mývatn | Hverir
- Haukadalur | Strokkur
- Hévízi-tó with Hévíz Spa
- Hévízi-tó with Hévíz Spa
- Hévízi-tó with Hévíz Spa
- 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
- Soufrière Hills Volcano | Sulfur dioxide emissions
- Reykjanes Peninsula with Blue Lagoon
- Reykjanes Peninsula with Grindavik
- Valle Mendoza | Puente del Inca
- El Tatio | Geothermal field at sunrise
- El Tatio | Geothermal field at sunrise
- El Tatio | Geothermal field
- El Tatio | Thermal bath
- 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
- Termales San Juan | Sulphur spring
- Termales San Juan | Sulphur springs
- Hawai'i Volcanoes NP | Steam Bluffs
- El Tatio | Geothermal field with tourists
- El Tatio | Geothermal field
- El Tatio | Geothermal field
- El Tatio | Mud pot
- El Tatio | Fumarole