The Grand Canyon was formed by a combination of factors, including the uplift of the Colorado Plateau, the downcutting of the Colorado River, and the erosion of the surrounding rocks. The Colorado Plateau is a large geologic region that covers parts of Arizona, Colorado, New Mexico, and Utah. The plateau was formed about 65 million years ago when the Earth's crust was uplifted. The uplift of the plateau caused the Colorado River to flow faster, which increased its erosive power.
The Grand Canyon is one of the most popular tourist destinations in the United States. Millions of people visit the canyon each year to see its natural beauty and to learn about its history.