A part of the bath tab of “Yuyama Palace”, which was built under Hideyoshi Taiko’s order, the remnants of the garden, roofing tiles and tea sets were rediscovered 400 years later behind the Gokurakuji temple when it was crushed by the disaster occurred in January 1995. Taiko-no Yudonokan is an archives center introducing the history and culture of Arima Hot Spring beloved by Hideyoshi Taiko as well as the remnants of the bath tab and excavated articles.