A military bunker located near Wizna, Poland, situated along the historic Wizna Defensive Line. This area was the site of the Battle of Wizna in September 1939, where Polish forces defended fortified positions against German forces during the initial stages of World War II. The region's military history includes both World War II fortifications and Cold War-era installations, with archaeological evidence revealing nuclear bunkers from the Cold War period.
The bunker stands as a testament to Poland's strategic defensive architecture through different historical periods.