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Cathedral Excavations Museum
Beneath Domplatz, Roman villa ruins with mosaic floors and hypocaust systems lie directly under the Baroque cathedral square—the only place in Salzburg where you can physically stand on the Roman Iuvavum layer. The Salzburg Museum operates guided tours, and the finds are published on their website. The museum reveals that the Baroque city is literally built on top of the Roman municipium, making the layering of eras materially legible. Anchor modes: custodian; material_layer; signal | Search hooks: Cathedral Excavations Museum; Domgrabungsmuseum Salzburg; Roman Iuvavum ruins; mosaic floor excavation; underground archaeological tour
Take a guided tour beneath Domplatz to see Roman mosaic floors, wall remnants, and heating channels; view medieval cathedral foundations layered above the Roman villa.