monzogranite rock formations on the wall street mill trail

america american landscape scenic west boulders cactus california desert deserts ecosystems geological formation geology hiking trail holiday joshua tree national park monzogranite formations natural nature north outdoors outside rock tourism travel usa vacation wall street mill western destination scenery america american landscape scenic west boulders cactus california desert deserts destination ecosystems formation geology hiking trail holiday park formations natural nature outdoors outside scenery tourism travel usa vacation