petrified forest national park landscape, arizona, usa

america ancient arid arizona badland badlands beautiful blue brown clay color colorful crystal desert desolate drought dry earth erosion forest formation fossil fossilized geologic geological geology ground historic landscape log mineral mud multicolored national nature old orange outdoor park pattern petrified preservation preserve quartz rare red reddish ring rock sand scene scenery science sky southwest stone terrain texture travel tree trunk unique usa vacation view violet vista west western wood yellow