San Felipe Castle is a defensive construction in a predominantly Neoclassical style. The first castle was built during the reign of Felipe II and it was redesigned between 1731-1775. It is one of the most representative examples of the major 'fortified batteries' of the 18th century. It was used to defend the Ferrol tidal inlet and for land offensives. The castle has a system of protruding walls, covering the flanks of the lateral walls. It follows the academic model of its time - the Enlightenment - in this case, through the application of mathematics to the art of war. It has a geometric layout and stonework. It was designed by the military engineers Francisco Montaigú, Juan de la Ferriére and Juan Vergel.
There are magnificent views from the castle, particularly for the tidal inlet and the A Palma castle. The building was recently acquired by Ferrol Council and will be renovated and refurbished for cultural use.
References:Visby Cathedral (also known as St. Mary’s Church) is the only survived medieval church in Visby. It was originally built for German merchants and inaugurated in 1225. Around the year 1350 the church was enlarged and converted into a basilica. The two-storey magazine was also added then above the nave as a warehouse for merchants.
Following the Reformation, the church was transformed into a parish church for the town of Visby. All other churches were abandoned. Shortly after the Reformation, in 1572, Gotland was made into its own Diocese, and the church designated its cathedral.
There is not much left of the original interior. The font is made of local red marble in the 13th century. The pulpit was made in Lübeck in 1684. There are 400 graves under the church floor.