Tamonyama-jo Castle which commands a panoramic view of the town was built by Hisahide MATSUNAGA in the middle of the16th century, and has the four-layered tenshu (main keep or tower of a castle) which became a model for modern castles.
町を一望した多聞山城は松永久秀が16世紀半ばに築き、近世城郭のモデルとなった四層の天守を備えている。