Hongya Cave is 100% a tourist attraction. If you go there understanding that, then it's a fun place to go, especially with kids.
The big attractions are the faux-historical Chinese architecture and a cool cave with a waterfall that you can walk through without getting wet.
When you need some refreshment, there's a Starbucks on-site, and Dairy Queen has nice desserts.
Photo by Col Ford and Natasha de Vere/Flickr.