Fort XV „Borek” in Siedliska. In the vicinity of fort no. I, which is also located in Siedliska, is the armoured fort XV „Borek” dating back to the years 1897-1900.
Following trunk road number 28 towards Siedliska, after a kilometer and a half, turn left. The „Borek” Fort is leased by the 3rd Historical Galician Fort Artillery Regiment named after Prince Kinsky Association, which has been trying to restore the fort to its original state.
The fort consists of, among other things, the already restored entrance gate, barracks connected with the main shelter, the casemate remnants with a restored observation site, as well as ruins of the armoured battery. At the entrance to the fort there is a commemorative plaque honouring the Polish and American airmen, who fought for independence in 1920.