United Kingdom: Deal (Kent). Deal Castle. Built by the order of King Henry VIII it is one of the finest Tudor artillery castles in England, and among the earliest and most elaborate of a chain of coastal forts, which also includes Calshot, Camber, Walmer and Pendennis Castles. Today you can explore the whole of the castle, from the storerooms to the first-floor captain’s residence. Take a walk around the defences and admire the squat, rounded bastions and canons.