Boyen Fortress is a former Prussian fortress located in the western part of Giżycko, in Warmian-Masurian Voivodeship, northeastern Poland. It is situated on a narrow isthmus between two large lakes of the Masurian Lake District, Kisajno and Niegocin.
Rope Park Wiewióra
Zamek Krzyżacki w Giżycku
Jezioro Popówka Wielka