Hohenzollern Castle
With over 350,000 visitors per year Hohenzollern castle is one of the most visited castles in Germany. The castle is privately owned by the House of Hohenzollern, with two-thirds belonging to the Brandenburg-Prussian branch, and the balance to the Swabian branch. Since 1952, the Princess Kira of Prussia Foundation has used the castle for an annual summer camp for children. Whenever Prince George and his family are staying at the castle, the Prussian flag flies over the castle.
Hohenheim Castle
In 1818, King Wilhelm I of Württemberg and his wife Catherine founded the "Agricultural Educational Testing and Model Institution", which was housed in a separate building on the castle and the "Paracelsus School" was housed in the east wing much later.