 In 1868 he acquired the castle of Mirošov ("Miröschau") and the fiefdom of Zbiroh ("Sbirow") in Bohemia.August Orth, engaged to build his Berlin city palace, was Strousberg's favoured architect and was also responsible for the Görlitzer Bahnhof entrance building and the renovation work at Zbirow Castle.The castle is now an hotel and conference venue with guided tours of the restored building.