Grand Canyon National Park protects one of the most famous natural wonders in the world. Carved over millions of years by the Colorado River, the Grand Canyon stretches 277 miles long, up to 18 miles wide, and over a mile deep. The park is known for its immense scale, colorful rock layers, and breathtaking viewpoints along the South Rim and North Rim. Visitors enjoy scenic overlooks, hiking into the canyon, rafting the Colorado River, and experiencing unforgettable desert landscapes.