View of Grand Canyon west of the historic Watch Tower, managed by the National Park Service, UNESCO World Heritage Site, Arizona, United States of America, North America

color image horizontal travel destinations travel outdoors day 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 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 daytime national parks public land outdoor outside trees