Y OSEMITE – We may never know if dinosaurs climbed Half Dome when they roamed the earth, but dinosaur prints might still be found on the face of the mountain thanks to one avid hiker who ...

This story appears in the May 2011 issue of National Geographic magazine. On a bright Saturday morning in September a young man is clinging to the face of Half Dome, a sheer 2,130-foot wall of ...

In 1875, George Anderson scaled the rock face and drilled the holes for cabling. It is those cables that guide hikers to the summit of Half Dome. While most visitors are content to gaze at the ...