When was the last time you went to the zoo?

I'm pretty sure the last time was in 2011.  We went to the Columbus Zoo, which is probably one of the better ones in the nation.  Almost immediately after we arrived it started pouring rain.  We had to go to the shop to buy an umbrella since we came unprepared.  After hiding under a bridge for some time we eventually toured all or most of the facility.  I recall seeing some large cats, perhaps some antelopes, a rhino and the like.  They seemed to be keeping at the maximum distance they could from humans, which seemed reasonable to me.  We also toured the aquarium, which was pretty decent, but not in the league of the New Orleans zoo.