Like apple pie and Fourth of July fireworks, the Grand Canyon is an iconic symbol of America. Every year, 5 million people visit the famed Arizona attraction to take in its magnificent landscape.
Carved by the Colorado River, the 6 million-year-old Grand Canyon stretches over 227-miles long and 18-miles wide, leaving plenty of room to hike, helicopter, take a mule ride or simply enjoy the view.
But, what exactly makes this canyon so grand?