The Romanesque church of San Saturnino was probably built between 1180-1200 over the primitive church. The Romanesque church was suffered by several attacks during the course of conflicts with neighboring towns in the 13th century. The current Gothic appearance dates from the 13th century.
Located on Calle San Saturnino, the portico offers a set of Gothic-style sculpture made between the late 13th and early 14th centuries. It is preceded by a 16th century atrium made up of several vaults with pointed arches, being decorated with beautiful Gothic carvings.
The two towers are from medieval times, reaching a height of 55 m. They are part of the characteristic layout of the Pamplona skyline.
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.