Steaming hot springs, gushing geysers, bubbling mud pots, fuming fumaroles, towering travertine terraces, and thermal pools fueled and heated by subsurface magma or Earth's goethermal gradient
Steaming hot springs, gushing geysers, bubbling mud pots, fuming fumaroles, towering travertine terraces, and thermal pools fueled and heated by subsurface magma or Earth's goethermal gradient