Musashi Museum (武蔵資料館) is located at Miyamoto Musashi. It displays many Musashi related items, such as Swords, his painting, scrolls, weapons and the world famous "Gorin no Sho."
Tourist Info.
Admission: 500 yen for adult, 200 yen for kids. If you stayed at Hotel Gorinbo and Koryukan, it will be free.
Open: 9:00 to 17:00
Access
0. at Tsuyama Station.
1. use JR Himeshin Line to Sayou Station (1 hr.)
2. use Chizu Line to Miyamoto Musashi (40 min.)
3. walk south (20 min.)
500 JPY
45 min
New Wave Samurai Movie. 
映画好き集まれ！ 
Musashi museum displays the movie properties from Taiga Drama "Miyamoto Musashi." Also it displays about 40 items.
This museum is also a part of the hotel resort "Musashi no Sato, Gorin bo." It has also great restaurants and Onsen.
Official Web : http://musashi.city.mimasaka.lg.jp/