Sparrenberg Castle - Credit: Wikimedia Commons
Sparrenberg Castle, also known as the Sparrenburg ( or Sparrenburg), is a restored fortress in the Bielefeld-Mitte district of Bielefeld, Germany. It is situated on the Sparrenberg hill ( altitude) in the Teutoburg Forest and towers above the city centre. Its current appearance mainly originated in the 16th and 19th century. The Sparrenburg is considered to be Bielefeld's landmark. Read more on Wikipedia
Source: en.wikipedia.org