Fogo | Summit crater of Pico do Fogo
Askja Caldera | Víti and Öskjuvatn
Askja Caldera | Víti and Öskjuvatn
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
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