Kilkenny Castle situated on Ireland is a perfect definition of a beautiful castle. It was constructed in the 12th century and still boasts its originality, though; this is due to restoration work. The primary purpose of construction was to provide safety as it has four spanning towers at the corners. Today it is among the top beautiful castles due to its surrounding ornamental gardens and grand building design. Also, the vast art collection, medieval rooms, and Ormonde Boardroom will leave you astonished and learn more about ancient architecture.
5. Himeji Castle, Japan