| medieval fortress | 1.18 | A huge Croatian banner adorned a medieval fortress overlooking the city. | ||
| impregnable fortress | 0.86 | Ali, who fought the Soviets from Tora Bora, described it as an impregnable fortress. | ||
| virtual fortress | 0.86 | The clubhouse is a virtual fortress in a residential neighborhood. | ||
| ancient fortress | 0.72 | Downstream a mile or two, the walls of Lowry Mill sit like some ancient fortress. | ||
| mud-walled fortress | 0.46 | Near Mazar-e-Sharif, anti-Taliban forces cleared the carnage from a mud-walled fortress where the prison uprising occurred. | ||
| old fortress | 0.46 | The island is home to old fortresses, resort areas and of course, spring breakers in March. | ||
| spanish fortress | 0.46 | This year, the real millennium party will take place atop a historic Spanish fortress in Havana. | ||
| armed fortress | 0.33 | He described the clubhouse as an armed fortress guarded at all times by gun-toting members and pitbulls. | ||
| concrete fortress | 0.33 | Like Camden Yards in Baltimore two years before, Arlington evoked the era before ball parks became concrete fortresses. | ||
| former fortress | 0.33 | At Beaufort Castle, we found South Lebanese tourists flocking to see the former Israeli fortress. | ||
| defensive fortress | 0.26 | The defensive fortress he came up with had a solid back line and another blockade in the midfield. | ||
| giant fortress | 0.26 | Nothing would seem to be more invincible than this giant fortress of rock. | ||
| imposing fortress | 0.26 | To defend their homes they built an imposing fortress overlooking the chasm below. | ||
| military fortress | 0.26 | The Pentagon now is sending in engineers and architects to assess how to rebuild the military fortress. | ||
| stone fortress | 0.26 | The light playing on their stone fortress is haunting. |