- PhotoGeyser (Yellowstone NP)
- PhotoGeyser - Beehive Geyser (Yellowstone NP, Wyoming, USA)
- PhotoGeyser Old Faithful (Yellowstone NP, Wyoming, USA)
- PhotoSource hydrothermale - Black Sand basin (Yellowstone NP, USA)
- PhotoSources hydrothermales (Yellowstone NP, Wyoming, USA)
- PhotoTufa émergés au bord de Mono Lake (California, USA)
- PhotoTufa émergés sur les rives de Mono Lake (California, USA)
- PhotoTufa sur les bords de Mono Lake (California, USA)
- PhotoTufa sur les rives de Mono Lake (California, USA)
- PhotoVapeurs matinales de sources chaudes (Yellowstone NP, USA)