Where: Lieser, Germany
Start of construction: 1884-1887 (right wing)
End of construction: 1905 (left wing)
Most important renovation: 21st Century
Accessible: yes, as a hotel guest
The last German emperor, Wilhelm II, was a house guest here several times between 1906 and 1913. After years of decline and a renovation that took place from 2007-2019 the historicism castle was converted into a luxury hotel in 2019.