- 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