One of the greatest Prussian strongholds was located in Poznań. What is left is 18 forts surrounding the city and a vast park that used to be the core structure of the fortress. Take a stroll there and see the “Unrecognized” sculpture by Abakanowicz, visit the Poznań Army Museum and the Museum of Arms, learn about the fascinating history of the Soviet star, or walk along the remnants of the fortress and listen to the gripping stories of how the fortress was captured by the Soviets in 1945.