My boyfriend and I were walking along the South Rim of the Grand Canyon, when we caught a squirrel munching on a snack. September 2008.
My boyfriend and I were walking along the South Rim of the Grand Canyon, when we caught a squirrel munching on a snack. September 2008.Submitted by Laura Tarver / UGC

April 3

The correct answer is: 1,218,375 acres. The national park, which is a World Heritage site, sits on the Colorada Plateau in northwestern Arizona. It is 277 river miles long, up to 18 miles wide and is a mile deep, according to the National Park Service.