Italy’s WWI was fought at 3,000m altitude in the Dolomites and the Isonzo River. 600,000 dead. 12 battles on the Isonzo alone.
Plan a history trip →1915: Italy enters on the Allied side (promised Austrian territory). 1915–17: stalemate on the Isonzo River (12 battles, hundreds of thousands dead for kilometers of ground). Alpine warfare: tunnels blasted through mountains, trenches in snow, mines under enemy positions. Oct 1917: Caporetto — Austro-German breakthrough, 300,000 Italian prisoners, retreat to the Piave. Oct 1918: Battle of Vittorio Veneto, Italian victory, Austria collapses.
Dolomites: open-air WWI museum at Cinque Torri (Cortina, free, trenches and tunnels visitable). Rovereto: Museo della Guerra (€8, the best WWI museum in Italy). Redipuglia (Friuli): military cemetery with 100,000 graves — the largest WWI memorial in Italy. Monte Grappa: ossuary and tunnels. Asiago Plateau: trenches and memorials walkable on hiking trails.