petrified forest national park - arizona

az america american americana arizona bright chinle formation colorado plateau hot mother road national park north painted desert petrified forest wood route 66 science travel usa united states agate arid attraction background barren bucket list color colorfull day trip daylight destination excursion exploration exploring fun gems geologic geological geology holiday iconic landmark landscape log mudstone nature outdoors outside quartz side rock sandstone sightseeing southwest southwestern stone sunny tour touring tourism tourist tours vacation western