The main armored fort 49a Dłubnia, located in Kraków, is one of the key elements of the Kraków Fortress, built between 1892 and 1896. Its primary purpose was to protect the Dłubnia Valley, supported by neighboring forts such as Fort 49 Krzesławice and Fort 48a Mistrzejowice. The fort features architectural solutions typical of late 19th-century fortifications, including an infantry earth rampart and artillery batteries, although unfortunately, none of these structures have survived to this day. Around the fort, there is a distinctive neck caponier and a flank ditch, which highlight the military significance of this structure. The fort was not used during World War I, but it remained under military control during the interwar period. During World War II, it was destroyed when its armored turrets were blown up. After the war, until 1990, the fort served as a warehouse, and its history is intertwined with many important events, reflecting the military strategies and defensive architecture of the time. Today, the fort is accessible at S. Petőfi Street and remains an important part of Kraków's heritage and culture, despite the loss of many original structures. This site attracts not only military history enthusiasts but also tourists interested in fortress architecture and the historical memory of the region.