Sparrenburg Castle, Bielefeld, Germany

This postcard with a beautiful view of Sparrenburg Castle came here as an official Postcrossing one sent by Cora.
The castle was erected 1240-1250 by the Counts of Ravensberg, it was remodelled in the 16th and 19th century and is considered the most important landmark of the city of Bielefeld. There are underground corridors, the casemates, some of which can be toured. The view from the tower down to the city is spectacular.