bajada loop drive, a scenic road going through a desert landscape with a variety of cacti and mountains in the distance

saguaro national park tucson mountain district arizona usa botany nature cacti vegetation outdoors spring landscape desert tourism travel adventure scenic vacation sight solitude peaceful creosote bushes driving environment ecosystem ocotillo blue skies wispy clouds west america sand road mountains cylindropuntia prickly pear optunia carnegiea gigantea bajada loop drive variety distance