The Grand Canyon is located in Arizona. It is about 5 to 6 million years old. It measures over 270 miles long and up to 18 miles wide and a mile deep. It was first afforded federal protection in 1893 as a forest Reserve and later a national monument, achieving national park service sine 1919. The Grand Canyon National Park encompasses more than 1 million acres of land and receives close to 5 million visitors each year. Wildlife in The Grand Canyon includes Canyon bats, wild turkey, coyotes, Black widow Spider, elk, mountain lion etc. There is approximately 1737 species of vascular plants, 167 of fungi, 64 species of moss and 195 species of lichen found in The Grand Canyon National Park.
It was founded by Francisco Vazquez de Coronado in September of 1540. The climate at the Grand Canyon has an elevation of 7,000 feet above sea level, Temperatures from the Colorado River to the Bottom of the grand canyon can reach 120 degrees.
The air is the cleanest here in the U.S because there is no air pollution. In 1997, Congress selected the Grand Canyon and other areas to preserve special degree of protection from air pollution.