Paestum is the classical Roman name for the old Greek settlement Poseidonia. In a large area there are three well kept temples, the remains of various houses and a very well documented museum. The impressive temples are on the World Heritage List. Paestum can be reached in one hour by train from Sapri.
Pompeii can also be easily reached by train from Sapri (in two hours) This site also lies close to the railway station.(Pompeii-Scavi)
At Velia are the remains of another ancient Greek settlement.