Visit Baia Archaeological Park

Via Sella di Baia, 22, Bacoli
Website
+39 848 800288
Daily except Mondays 0900 to one hour before sunset
Free from Tuesday to Friday. On Saturdays, Sundays and public holidays, you need to buy a €4 Campi Flegrei Combined Ticket, Campania ArteCard,

The Baia Archaeological Park holds the remains of a massive thermal bath complex from the Roman spa town of Baia. Built across three levels, see bathhouses that are now known as temples: Mercury, Venus and Diana and an upside down fig tree.