The Boros Collection is housed in a former WWII bunker whose original use was as an air-raid shelter, built by forced laborers, for the civilian population. Today it is filled with the art collection of German couple Christian and Karen Boros. Their private collection features art 700 pieces of art in 80 rooms, including one work by Ai Weiwei. To visit the collection, you must make a reservation on their website.
Photo Credit: © The Boros Collection