Team Fortress 2 | Boeing B-17 Flying Fortress | Graciosa | Fortress of Louisbourg | Brest Fortress | Akershus Fortress | The Super Dimension Fortress Macross | Peter and Paul Fortress | Graciosa IPR | Niš Fortress | Modlin Fortress | Graciosa, Canary Islands | Defense of Brest Fortress | Nehaj Fortress | Miracle Fortress | Fortress Saint-Maurice | Fortress of Kaysun | Augsburg Fortress | Antonia Fortress | Warsaw Fortress | Varberg Fortress | ''The Memphis Belle: A Story of a Flying Fortress'' | The Hidden Fortress | Skopje Fortress | Sharpe's Fortress | Salacgrīva fortress | Real Felipe Fortress | Peter and Paul fortress | Osowiec Fortress | Norske Løve Fortress |
Of the 6 stand-alone fortresses, four of them only had a short duration: Graciosa (1489), São João da Mamora (1515), Castelo Real of Mogador (1506–10) and Aguz (1520–25).