lava beds national monument landscape with hippo butte cinder cone in evening light, northern california

america american arid ash beds brimstone butte california cinder clouds cone county crater desert environment evening geological geology gravel hippo land landscape large late lava leading light lights modoc monument national natural nature north northern open outdoor outdoors park parks pavement plate plates remote sagebrush schonchin service shrubs states subduction sun sunlight sunset tectonic tectonics travel trees tuff united usa vegetation volcanic volcanism volcano west western wild wilderness