If you have kids, take them to Fossil Rim for a safari adventure. My advise is that you buy a membership because it pays for itself even if you only go twice a year. The membership also gets you discounts at the Caldwell and Dallas zoos so its really worth it, in my humble opinion.
Here's a couple pics I snapped on the iPhone of Purandar trying to look cool. I told them to get walking shoes or hiking boots, but do they ever listen to me?