paved road in the yellowstone national park, wyoming, united states, between prairies, mountains and cloudy sky

america american asphalt geology geothermal geyser grass green hills landscape montana mountainroad mountains national nationalpark natural nature north outdoor panorama park paved pavedroad pinetrees pool road roadside scenery scenic sky spring states thermal touristic travel trees united unitedstates usa valley view western wild wilderness wildlife wyoming yellowstone yellowstonenationalpark yellowstoneroad