The Grand Canyon is one of the most awe-inspiring natural wonders in the world,located in the southwestern United States. Carved by the Colorado River over millions of years,it stretches approximately 277 miles (446 kilometers) long,up to 18 miles (29 kilometers) wide,and reaches a depth of over a mile (1.6 kilometers). Its vastness and stunning geological formations attract millions of visitors each year,making it one of the most popular national parks in the United States.