bright sun over the valley of the sun with the city of phoenix in the background

activities arizona barrel blue bright cacti cactus catuses cave cholla city clouds county desert distant environment flora forest formations from geological geology hiking landscape layers maricopa mountain national nature ocotillo outdoors over park pass phoenix plants precambrian prickly reginal reserve rock rocks saguaro sates scarface seen semi semidesert shadow shrubs spectacular tonto trail trails united usery valley vascular views vista wilderness wind with