The ruins of the former Markaz castle at the end of Vár crag lie about 2 km way from Markaz. It is assumed that the Kompolti family that belonged to the Aba genus had it built in the 1270-1280's. The castle did not have significance from a military point of view as it was mainly used for recreation and hunting by the owners. The palace was constructed in the tiny and narrow castle with a tiny yard. On the southeast side of the rectangular castle the 6-metre wall still exists. The castle is believed to have been demolished during the Turkish occupation. There is a spectacular view from the castle to the north to the castle valley and Abasár why it is worth climbing.
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.