Where: Bad Hönningen, Germany

Start of construction: 1258

End of construction: 17th Century

Most important renovation: 20th Century

Accessible: yes, but limited

Important fact:

Converted in neo-gothic style from 1849-1858, adding the keep. The castle has 365 windows,

52 doors and 12 towers. It is therefore nicknamed 'Jahresschloss' (year castle).

https://www.schloss-arenfels.com/

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