Kumla Church was built around 1300 and included a longhouse and a small bell tower. In the end of the 15th century the wood roof was replaced by a brick star vaults. In the 18th century they made the windows bigger and built the bell tower. The church is famous for its beautiful frescoes by Albertus Pictor painted in 1482. The stained glass windows in the choir are the work of the Västerås artist Nils-Aron Berge from 1960.
References:Sigmaringen Castle was first mentioned in the year 1077 in the chronicles of Petershausen monastery. The oldest parts of the castle are concealed beneath the alterations made during the 17th and the 19th centuries. The secret of the earliest settlement built on this defendable rock will never be fully revealed: large-scale excavation work would be necessary, which the extensive land development renders impossible. Judging from the many Roman remains unearthed in the area around Sigmaringen, the 12th century keep known as the 'Roman Tower' could be traced back to a Roman predecessor.
The castle remains that have been preserved (gate, great hall and keep) date back to the Staufer period around 1200. The castle remains were integrated into subsequent buildings. The foundations of the castle buildings are to a large extent identical to the surrounding castle wall.
These remains give us a good idea of how the castle might have looked during the 12th century.