The Knighthood Building was built by von Dellingshausen at the end of the 18th Century and today, it accommodates the County Government of Saaremaa. At the beginning of the 19th Century, the house belonged to the Nobility of Saaremaa, then in 1912, to the Noblemen's club. The County Government of Saaremaa bought the house in 1920. The foundation of the building is symmetrical, with a high socle floor. The façade is proportionately divided by three protuberances, the central of which is crowned by a bow-shaped pediment. The balcony with dolomite marble columns and an iron balustrade decorates the façade.
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.