The Flanders bunker is a naval bunker dating from 1943 and 1944 during the National Socialist Germany and World War II period. The building consists of 3 floors with an area of 550 square meters. Its construction was intended to protect the soldiers of the Fifth Fleet from submarines during the war. It is considered a memorial to the victims of the Nazi dictatorship. Today, the bunker houses a museum containing many stored documents and exhibits related to the war and German history.