Its three-story building is registered with Kyoto City as a cultural property; its Oriental exhibition hall topped with a red-lacquered octagonal tower has been there since its establishment, while the interior retains the atmosphere of the early Showa period.
京都市登録文化財の建物は地上3階建てで、屋上に朱塗りの八角堂を乗せた東洋風の展示館は設立当初からのもので、展示室内部も昭和初期の雰囲気をとどめている。