the (important national cultural property) used to be the private home of an edo period (1603–1868) wealthy family, the yanohara. it is the only building whose interior is open to the public all year. it was brought here from gifu prefecture's shirakawago, an area listed among the world heritage sites. the house contains the original hearth, bathroom and kitchen used by the yanohara. the second floor houses an exhibition of japanese folk articles.