Save Save Remove Delete Arizona's Grand Canyon Watch Tower. Old Mammoth Road. Original image from Carol M. Highsmith’s America, Library of Congress collection. Digitally enhanced by rawpixel. MoreFree public domain CC0 imageID : 433909 Jpeg Tiff Web size Jpeg 1200 x 926 px | 300 dpi Large size Jpeg 3500 x 2703 px | 300 dpi Original size Jpeg 7576 x 5851 px | 300 dpi Tiff 7576 x 5851 px | 300 dpi | 253.67 MB 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.