Gislöv Church chancel and naves dates back to the 1200s, and the tower was built in stages between the years 1760-1824. The original font descends from year 1656 and is the oldest inventory in the church. In year 1936 the vaults were reconstructed. They are richly decorated with frescoes and date from the 15th and 16th centuries. The renovation restored the church almost entirely in the condition it had been 500 years earlier. In the triumphal arch hangs a crucifix that descends from the 1400s. There is north of the church a graveyard considerably older than the current church.
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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.