Fortress Kalemegdan

Belgrade, Serbia!





























Petrovaradin Fortress


Novi Sad, Serbia!





































Smederevo Fortress


Serbia!































Niš Fortress


Serbia!































Golubac Fortress


Serbia!































The "Festung Wilhelmstein" in Germany, Steinhuder Meer





Fortress Nehaj Croatia





Fort Napoleon - Ostend, Belgium:







Carlstens fort - Sweden.























Bohus fort - Sweden.













Serbian medieval fortress of Maglič, built in the first half of the 13th cen. by Serbian king Stefan I Nemanjic near Kraljevo town.





Maglic Fortress