The scenic Freisaal Castle dates from the Middle ages. The oldest record of the building dates back to 1392. The name is derived from 'Freudensaal', meaning 'pleasure hall'. Its original purpose was just that: to serve as a pleasure castle for Prince Archbishop Pilgrim II. von Puchheim. Ernst von Bayern re-modelled the building in 1549.
A fundamental change in the building′s structures was caused by construction work done in 1907, which transformed Freisaal Castle into a somewhat messed up villa. However, frescos in the second floor by Hans Bocksberger the older from 1558 remained preserved, one of the paintings showing Prince Archbishop Michael von Kuenburg moving into Salzburg. Today, Freisaal Castle is private property and is not open to the public.
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.