Did you know the Grand Canyon National Park was established on February 26, 1919?
The Grand Canyon is one of the natural wonders of the world. The Grand Canyon was set aside by the U.S. government in 1908 as a national monument. In 1919 it was designated Grand Canyon National Park.
Geologists believe the Grand Canyon started to form over 17 million years ago. The Grand Canyon is 277 miles long and one mile deep. The Grand Canyon is located in Arizona. The Colorado river runs through the canyon. Over 5 million people visit the Grand Canyon each year.