On the walls of the Canyon you can see magnificent rock formations of different colours, from red and pink to gold and violet. Visitors can walk, or ride mules, down the sides of the Canyon to the floor. The Grand Canyon leaves all who experience it with a sense of wonder, magic and awe. From its dramatic 1500 m deep, 446 km long, and up to 29 km (18 mi) wide gorge, to its diverse plateaus, towers and hills, the Grand Canyon is one of the world's most stunning destinations. Rich with exceptional beauty, ancient geological history and modern universal amazement, the Grand Canyon attracts more than 5 million tourists each year..