PUNIC WATCH: 2,200-Year-Old Moat Discovered in Spain (Archaeology Magazine). Better yet, the moat had Carthaginian artifacts in it.
More details here: Found in Spain: traces of Hannibal's troops. Spanish archaeology students have discovered a 2,200-year-old moat in what is now the Catalan town of Valls, filled with objects providing evidence of the presence of troops of the Carthaginian general Hannibal in the area (Jessica Jones, The Local).
