It also has an information desk if you want to walk through the castle town for some sightseeing

Katsuyama Folk Museum is an exhibition hall that introduces you to the history and culture of Maniwa.
This place has various items on display, including Jomon period artifacts, materials relating to the lives of ordinary people, and cultural assets of Maniwa.
Also, the museum is complete with the armor of the Miura clan, which governed the Katsuyama Domain (a feudal domain), and information related to the domain's castle town.