Photos of cacti from the World Gardens at the San Diego Zoo Safari Park.  Taken by George Ryan. All rights reserved.  

Photos taken at the San Diego Zoo Safari Park by George Ryan.  

Photos taken at the San Diego Zoo Safari Park 1/2019 by George Ryan.   

The elusive bighorn sheep of the Anza Borrego Desert, in the Palm Canyon on the way to the oasis.

Photo series of the abandoned Pharsalia state correctional facility in upstate NY.

These photos were taken in Wilcox Park, Westerly RI, during a snowstorm in March, 2015.