The first manor house was made out of wood and the new palace was built in 1800-1804 in the late classical style, designed according to the project by the German architect J. G. Berlitz. There is stone bridge, leading to the palace. On the other side of the river there are remnants of the manor buildings; house of the servants, stables, house of the steward and barns. The palace was burned down by local peasants during the Revolution of 1905. However, German baron von Manteuffel renovated it by the project of Paul Schultze-Naumburg in 1907. The renovation of the Kazdanga palace became an important event for the development of the Neo-Classicism style. It was designed by the well known German architect and Neo-Classicism Paul Schultze-Naumburg. In contrast to scenic, borrowed forms, the architect declared a return to the Homeland tradition and accuracy.
The reconstruction of the Kazdanga palace demonstrated a new approach by the architect to the original image of the building. It is noteworthy that the palace, designed in about 1800, was one of the most splendid monuments of Classicism architecture in Courland. Its restoration served as a starting point for re-evaluating both patterns of pure Classicism and local building traditions. Even elements of scientific restoration could be observed in the course of reconstruction. The principle of historical verity was important in designing the interiors and replicas of the furniture that had been destroyed.
During the First World War the palace was again devastated. It was rebuilt between 1925-1927. In 1930 the Kazdanga Agricultural Trade School was housed in the palace. The school is still situated there. Near to the palace is a house of chevaliers. It has well preserved interior, like baroque style stairs and ornamented parquet floor.References:
First record of Kastelholma (or Kastelholm) castle is from the year 1388 in the contract of Queen Margaret I of Denmark, where a large portion of the inheritance of Bo Jonsson Grip was given to the queen. The heyday of the castle was in the 15th and 16th centuries when it was administrated by Danish and Swedish kings and stewards of the realms. Kastelhoma was expanded and enhanced several times.
In the end of 16th century castle was owned by the previous queen Catherine Jagellon (Stenbock), an enemy of the King of Sweden Eric XIV. King Eric conquered Kastelholma in 1599 and all defending officers were taken to Turku and executed. The castle was damaged under the siege and it took 30 years to renovate it.
In 1634 Åland was joined with the County of Åbo and Björneborg and Kastelholma lost its administrative status.