Dean L.
Yelp
If it's free and worth it, then it's worth 5 stars. This place is seconds off the road, yet tucked back in the forest. We were there early, and there was only one other gentleman walking around, so we could use our imaginations and enjoy the quiet. The ruins are cool, and there are a few signs to help you make sense of them.
I appreciated the museum too, as, after being in the park for a few days, it was here that there was finally a Native presence beyond decontextualized place names. They have small exhibits for each of the tribes in the area, with artifacts representing their respective cultures. There is also a small gift shop. Restrooms in the parking lot.