Permanent display in the Neva Curtain Wall explores the history of Peter and Paul Fortress. More than 500 items from the museum collection, including archeological finds, engravings, photographs, construction equipment, models of the fortification structures, tell the story of the construction and development of the unique historical monument. Architectural designs, Russian and Swedish layouts and maps of the early nineteenth century demonstrate strategic importance of the location of the fortress. The exhibition is accompanied with multimedia programs.