North Rim Grand Canyon Wake-Up Call by stephenprobert on Flickr.
Grand Canyon Charity Challenge with Across the Divide by Across the Divide on Flickr.
Tent view along Bright Angel Creek. This was my first time sleeping on 2 billion year old ground.  You know, give or take a few dozen million years. by mcross4 on Flickr.
Opaque  by  andbamnan