Introduction: What? : Nothing prepare you to the sight you will see at your first visit to the Grand Canyon Rim, a one mile deep and 18 miles across canyon with the length more than 250 miles long. It is one of the 7 natural wonders of the world and there is a good reason for that.   The park area was declared as a national monument in 1908 and was change status to National Park in 1919. There are many things to see and do here, from watching the sunrise or sunset color the canyon cliffs and mountains from the many viewing points, to walking the flat rim trail or hiking a mile down to the Colorado River, there is something for everyone.