Here, you’ll find the richness of history in old castle town streets and ancient ruins like Yoshinogari Historical Park. In Karatsu City and along the deeply-indented coastline of Imari Bay lie a wide variety of gorgeous spots, like Nanatsugama, the Nijinomatsubara pine forest, and Iroha Island. Be sure to also check out Ureshino Onsen, one of Japan's Three Great Beautifying Hot Springs.