Some facts about Grand Canyon

The Grand Canyon is 277 miles (446 km) long and up to 18 miles (29 km) wide and attains a depth of over one mile, so it is pretty big!
The Grand Canyon is contained with the Grand Canyon National Park which is one of the oldest national parks in the United States, established in 1919. In the Grand Canyon National Park you can find 1737 known species of plants. The Grand Canyon is also a home for dozens of endemic plants that can't be found anywere else in the world.
34 mammal species is found along the Colorado River corridor.
Grand Canyon is one of the world's most famous natural attractions, attracting about five million visitors each year! 83 % of the visitors were from the United States and 17 % were from outside the United States.
Now what can you do in The Grand Canyon then? There is many activities like casual sightseeing, rafting, hiking, running and helicopter tours is popular activities.
In October 2010 an ultramarathon was started in the North Rim. The Grand Canyon Ultra Marathon is a 126 km race over 24 hours! Sounds very tough..
If you want you can also board helicopters and small airplanes in Las Vegas, Phoenix and Grand Canyon National Park Airport for canyon flyovers!

Aerial view of the less visited lower Grand Canyon

Guano Point - a popular vantage point for tourists