Naples Day Trips 2026: Herculaneum and Pompeii Archaeological Wonders Key Takeaways Herculaneum entrance costs €13 for adults in 2026, while Pompeii charges €18 (check official parcoarcheologico.it for current rates as pricing may vary) Circumvesuviana train connects Naples to both sites: €2.90 to Herculaneum (20 minutes), €3.40 to Pompeii (40 minutes) […]