The history of the Toszek Castle dates back to the tenth-eleventh century, when an early defensive castle was located on the castle's grounds. The castle was built two centuries later, in about the year 1222. When the Kingdom of Poland was under feudal fragmentation, the castle housed the following Silesian dukes and castellans. The most important part of the castle's being, was that under the rule of Duke Przemysław Toszecki, of the Oświęcim family line. After his death the castle became of property of the Dukes of Opole. In the sixteenth century, the castle was the property of the Habsburgs. Which gave the castle to do Redernów family, which they bought in 1592. In between 1638-1707 the castle was ruled by the Colonna family, which had made a full-scale reconstruction of the castle - by which the castle became a magnate residence, the first one in Upper Silesia. The following owners were: Johann Dietrich von Peterswald, Count Franciszek Karol Kotuliński, Posadowski family, and finally Adolf von Eichendorff.
In 1797, the castle was sold to Count Franciszek Adam Gaschinów. Shortly after, in 1811, the castle burned down and became a ruin. In 1840 the ruins were bought by Abraham Guradze, and the Guradze family maintained possession of the castle until World War II, when Abraham's great-grandson Count Kurt von Guradze bequeathed the castle to the youth of Poland. The castle was finally partially rebuilt in the 1950s and 1960s. Today, the castle houses a centre of culture, and a primary wedding celebration venue.
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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.