The sacristy is the oldest part of the Löt Church. It was originally built for the previous wooden church in the 1100s. The present nave and apsis were added in the late 1200s and the church was enlarged in the late 1400s. One of the key attractions is the collection of frescoes on the walls. These were painted by the master Albertus Pictor in the 15th century. The pulpit date from 1657. The separate bell tower was erected in 1761.
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.