The Pomeranian Dukes' Castle in Szczecin
Malbork Castle
Eutin Castle
Schwerin Palace
Ludwigslust Palace
Güstrow Palace
Vordingborg Castle
Rosenborg Castle
Koldinghus Castle
Kronborg Castle
Sĝnderborg castle
Nyborg Castle
Skokloster
Lappeenranta Fortress
Svartholma Fortress
Kastelholm
Turku Castle
Suomenlinna Fortress
Olavinlinna castle
Häme castle
The Peter and Paul Fortress
Oreshek
Kaliningrad
Vyborg
Rakvere Castle
Narva Castle
Haapsalu Castle
Ventspils Castle Museum
Turaida Castle
Riga Castle
Rundâle Palace Museum
Cesis Medieval Castle
Bauska Castle
Trakai Island Castle
Birzai fortress