The naturally formed Redwall Cavern, Colorado River, Grand Canyon National Park, UNESCO World Heritage Site, Arizona, United States of America, North America

photography horizontal travel destinations travel unesco world heritage site redwall cavern colorado river river water north america grand canyon national park national park arizona usa outdoors day medium group of people people men adult women rock formation rock shadow boat walking canyon tourist woman adults female females person travel destination tourist destination tourist destinations tourists tourism rocks rock formations rivers outdoor outside national parks public land man male males group daytime