Kastelholm

Location: Aaland, Finland, Europe Built: 1380s Status: Still standing History The construction of Kastelholm started in the 1380s, and it was first mentioned in Queen Maragaret I of Denmark’s contract. Bo Jonsson Grip, the castle’s first occupant, gave a large deal of inheritance to the queen. The castle was at its best during the 15th and 16th centuries. Niels Eriksen Gyldenstjerne, the Danish…