|   
              
               | 
                 |   A Trail Rises up a Steep Cliff Face to a Hidden Canyon Behind the Wall, Zion National Park, Utah
 |  |  |   
              
               | 
                 |   A View Down Zion Valley on a Winter Day, Zion National Park, Utah
 |  |  |   
              
               | 
                 |   Morning Light and Fog, Redwood and Douglas Fir Trees, Redwood National Park, California, USA
 |  |  |   
              
               | 
                 |   Semi-Truck on a Highway
 |  |  |