Baltic Sea Route
Along the Baltic coast between Poland and Germany, including Teutonic, Dutch, Prussian, and WWII fortifications.
Poland
Germany
Teutonic → WWII
Cultural Heritage Routes
Cross-border Military Landscapes
Two large-scale Cultural Heritage Routes provide the empirical ground for developing interoperable Digital Twins and shared protocols for military architecture across Europe.
Adriatic Sea Route
Along the north–east Adriatic coast between Italy and Croatia, including Roman, Venetian, Ottoman, Austro-Hungarian, and ex-Yugoslav fortifications.
Italy
Croatia
Roman → 20th c.