Old Faithful Geyser, Yellowstone National Park
North AmericaUSAWyomingYellowstone National ParkUS National Park Servicenational parkUNESCOWorld Heritage SiteYellowstone CalderaYellowstone LakeOld Faithful GeyserSouth Central Rockies forestGreater Yellowstone Ecosystemnaturelandmarktourist attractionMammoth Hot SpringsGrand Canyon