Three Greek temples standing since the 6th century BC, better preserved than anything in Greece. 1h15 south of Naples by cheap train. Criminally overlooked — while millions fight for space in Pompeii, you can have a Doric temple to yourself.
Napoli Centrale → Paestum. Some direct, others change at Salerno. Station is 10 min walk from the archaeological site.
A3 south past Salerno, SS18 to Paestum. Large free parking at the site.
Regional train. 1h15, €6.30. The temples are astounding and the crowds a fraction of Pompeii's.