grand canyon national park, unesco world heritage site panorama of colorado river gorge from yaki point, arizona

america american arid arizona attraction beautiful blue canyon cheops cliffs clouds cloudy colorado desert destination dramatic dry environment erosion formation formations gorge grand heritage hike hiking impressive inner isis kaibab landscape layers national natural nature north of osiris outdoor outdoors park plateau platform point pyramid red rim river sandstone site sky south southwest southwestern states temple tonto tourism tourist trail trailhead unesco united usa vast view viewpoint vista west western wild wilderness wonder world yaki