Château de Gourdon was built in the 12th century on the foundations of 9th century fort when the counts of Provence organized their border between the county of Vintimille and Provence. From 1598 to 1905 the castle was the residence of the Marquis de Montauroux. The current castle was built in the 17th century, the first stage in 1610 and the second in 1653.
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.