Team Fortress 2 | One Hundred Years of Solitude | Boeing B-17 Flying Fortress | Akademie Schloss Solitude | Solitude | Fortress of Louisbourg | Brest Fortress | Akershus Fortress | The Super Dimension Fortress Macross | Peter and Paul Fortress | Niš Fortress | Modlin Fortress | Defense of Brest Fortress | The Solitude of Prime Numbers | Nehaj Fortress | Miracle Fortress | Fortress Saint-Maurice | Fortress of Kaysun | Augsburg Fortress | Antonia Fortress | Warsaw Fortress | Varberg Fortress | The Solitude of Prime Numbers (novel) | ''The Memphis Belle: A Story of a Flying Fortress'' | The Hidden Fortress | Tears of Mortal Solitude | Solitude (football ground) | Skopje Fortress | Sister (In Solitude album) | Sharpe's Fortress |
He also established the concept of a hero's secret hideout or lair, The Sanctuary, a precursor of the Batcave or the Fortress of Solitude.
In Grant Morrison's All-Star Superman, a league of Superman robots is seen operating various equipment in Superman's Fortress of Solitude.
In Superman: Doomsday, the restored bullet car appears as one of Superman's trophies in his Fortress of Solitude.
In the direct-to-video film Superman vs. The Elite, the robots are seen working at the Fortress of Solitude, transporting Lois and aiding Superman in the ruse during the final battle.