Save Save Remove Delete View from the South Rim of the spectacular Grand Canyon National Park. The 277-mile-long canyon, formed over two billion years by the Colorado River in northern Arizona, is the United States’ second-most-visited national park, behind the vast Great Smoky Mountain park far to the east. It was established as the 17th U.S. National Park by an Act of Congress signed into law by President Woodrow Wilson on February 26, 1919. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced by rawpixel. MoreFree public domain CC0 imageID : 582433 Jpeg Web size Jpeg 1200 x 900 px | 300 dpi Large size Jpeg 3500 x 2625 px | 300 dpi Original size Jpeg 11608 x 8708 px | 300 dpi View license We've made this image available to the public domain providing everyone access with a CC0 license.Free for personal and commercial use.No attribution required.