A Cold War-era military bunker located in northern Poland, near the town of Szczecinek. This site is part of Poland's clandestine network of nuclear bunkers that were secretly maintained during the Cold War era, housing hundreds of nuclear warheads as part of the Soviet strategic arsenal. The bunker represents a significant period in Poland's military history when the country was under Soviet influence and served as a critical component of the Warsaw Pact's nuclear deterrent strategy.
Archaeological investigations have revealed the extensive nature of these hidden facilities, which were kept secret from the Polish population during their operational period.