Watch Tower on Grand Canyon South Rim at twilight, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

color image horizontal travel destinations travel grand canyon national park national park arizona usa north america desert view watchtower watchtower tower architecture no people building exterior building rock formation rock landscape nature scenics outdoors sunset dusk dramatic sky cliff canyon famous place tree cloud unesco unesco world heritage site architectural building exteriors architectural exterior architectural exteriors buildings rocks rock formations travel destination tourist destination tourist destinations cliffs sundown evening twilight national parks public land outdoor outside trees x 2019m11 x printready