eerie landscape, sunset crater volcano national monument, northern arizona

america ancient arizona ash bed beds black cinder cinders cliff cone crater craters desert dormant eerie environment extinct falls flow fossil geologic geological geology green hike hiking hill historic landscape lava monument moon mountain national native nature northern peace peaceful peak plant range red rift rock rocks sage sagebrush scene scenery scenic serene serenity sky snowcapped stone sunset tranquil tranquility usa valley volcanic volcano winter