Birseck Castle - Credit: Wikimedia Commons
Birseck Castle () is located in the municipality of Arlesheim in the canton of Basel-Country. Birseck Castle is also called "Untere Burg Birseck" or "Vordere Burg Birseck" and is one of four castles on a slope called Birseck that confines the plain of the Birs river. Read more on Wikipedia
Source: en.wikipedia.org