Geysers are temporary geological features, associated with volcanic areas; there are over 1000 known geysers in the world, half of which are located in Yellowstone Park.
GeoPicture of the week: Geyser just before blowing up
Geysers are temporary geological features, associated with volcanic areas; there are over 1000 known geysers in the world, half of which are located in Yellowstone Park.