Brownsea Castle the castle also has four cannons, probably dating from the 17th or early 18th century. The castle is protected under UK law as a Grade II listed building. Brownsea Castle Brownsea Castle, also known historically as Branksea Castle, was originally a Device Fort constructed by Henry VIII between 1545 and 1547 to protect Poole Harbour in Dorset, England, from the threat of French attack. Located on Brownsea Island, it comprised a stone blockhouse with a hexagonal gun platform. It was garrisoned by the local town with six soldiers and armed with eight artillery pieces. The castle remained in use after
Sheep Island, County Antrim Sheep Island, County Antrim Sheep Island is an island off the north coast of Northern Ireland, close to Ballintoy, County Antrim. It has an area of 3.5 hectares, is located 0.5 km off the coast and is known for its steep cliffs (one of which is near-vertical and more than 20m in height) and rocky shores. The top of the island is domed and covered with soil. Sheep Island is designated as a Special Protection Area and an Area of Special Scientific Interest. This is because it contains a number of a particular species of cormorant, which is known as