To be privately owned
Petzow Castle

Petzow Castle is located in Petzow, a district of Werder (Havel) in Brandenburg. It combines elements of Moorish castle and English Tudor styles, and is an example of 19th-century architecture. It is in a park landscape designed by Peter Joseph Lenné.
History+
The village of Petzow, first mentioned in 1419, became an official village in 1542. From 1814, the von Kaehne family owned the estate. Friedrich August Kaehne had a manor house built in 1825 according to designs by Karl Friedrich Schinkel. Kaehne was ennobled in 1840. After World War II, in 1945, the owners were expropriated and expelled.
Source: Wikipedia · Licence: CC BY-SA 4.0 · Image: http://de.wikipedia.org/wiki/Datei:Petzow_Schloss.jpg
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Location: 52.3440, 12.9466