Guided Tour of Nagoya Castle Walk through the expansive castle grounds and reconstructed palace as your guide shares stories of Tokugawa Ieyasu, the golden shachihoko, and the legacy of Nagoya’s role in samurai history. Exclusive Tea Ceremony at Sarumen Teahouse Step inside Sarumen Teahouse, a nationally designated cultural property normally closed to the public. Admire its seasonal décor, taste exquisite sweets once served to the Tokugawa family, and watch as a tea master performs an authentic tea ceremony before your eyes.