During the Middle Ages, Wil Castle was built near the village and it became the seat of the Herrschaft of Schlosswil. The lords of the fort, the Freiherren von Wiler, were first mentioned in 1146. The von Wiler family died out around 1300, and the village and associated territory passed through several noble families, including the Freiherren von Signau and eventually the Senn von Münsingen family. The territory was split in half and passed through several Bernese patrician families until Burkhard von Erlach reunited the two halves in 1514.
In 1546 the medieval castle was destroyed in a fire. Shortly thereafter it was rebuilt as a larger castle under the direction of the master builder Niklaus von Wattenwyl-May. The current appearance comes from a 1780 renovation that gave the castle a Baroque exterior.
Following the 1798 French invasion, under the Helvetic Republic the nobility lost much of their power and property and by 1812 the castle was acquired by the Canton of Bern. In 1818 the castle tower became the only granary for the district of Konolfingen. A famine in 1816-17 was partly alleviated by the grain at the castle. In 1847 the tower was converted into a prison, a role that it filled until 1881. Even after the prison closed, the castle continued to be used by the district administration and courts. In 2010 the District of Konolfingen was dissolved and the need for district offices vanished. In 2011 it was acquired by Matthias Steinmann, who founded the Steinmann Foundation to operate the castle.
The original fortress tower was built in first half of the 12th century for the von Wiler family. The walls of the square tower are 38 meters tall and to the peak of the roof is 43.5 meters.
References:The Church of St Donatus name refers to Donatus of Zadar, who began construction on this church in the 9th century and ended it on the northeastern part of the Roman forum. It is the largest Pre-Romanesque building in Croatia.
The beginning of the building of the church was placed to the second half of the 8th century, and it is supposed to have been completed in the 9th century. The Zadar bishop and diplomat Donat (8th and 9th centuries) is credited with the building of the church. He led the representations of the Dalmatian cities to Constantinople and Charles the Great, which is why this church bears slight resemblance to Charlemagne's court chapels, especially the one in Aachen, and also to the Basilica of San Vitale in Ravenna. It belongs to the Pre-Romanesque architectural period.
The circular church, formerly domed, is 27 m high and is characterised by simplicity and technical primitivism.