This museum showcases Saga’s attractiveness and energy during the fall of the Tokugawa Shogunate, a time in history which paved the way for Japan’s modernization. Saga Castle History Museum is a faithful reconstruction of a part of Saga Castle’s honmaru (main keep), which existed here during the end of Edo Period. It boasts a status as one of the largest wooden reconstructions in Japan. The building is surrounded by historic scenes such as a tenshudai, moat, and Shachi no Mon, or Killer Whale Gate, which is a designated Important Cultural Property of Japan.