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.

It's A Snap! Readers' best shots


Discussion comments


Most active discussions

  1. votes comments
  2. votes comments
  3. votes comments
  4. votes comments