Always look down when hiking, you never know what is at your feet.  You can easily miss the cool things like flowers blooming, feathers caught in the Ice or laying on a bed of fir needles.
            
then there are water droplets on lupine leaves and pinecones
       
Bracken ferns and wild blackberry leaves after an early frost or snow fall
        
 
animal Tracks in the snow or the mud
   
even water slapping against the rocks