If you're feeling adventurous, there's a waterfall in the mountains a few kilometers south of town. No roads go there but local guides know the way and can guide you on a several hour hiking trip out and back or it's about an hour and a half each way on horseback.
Zocalo
Attractive, well-kept small urban park with groomed landscaping set around a large bandstand.
Los Toriles
Small site managed by INAH. Clean with minimal facilities. Limited signage.
Colonial era church with a beautifully ornate interior full of statues and other artworks.
Climb the 500 stairs to the summit where you can sit in quiet contemplation or admire the views of the town and surrounding countryside. (It is possible to drive to the top by coming in the back way.) A small chapel at the top is usually closed.
Public swimming pools. Public restrooms and showers. Pools are clean and well maintained.