Museum lies right in front of the main entrance to the Archeological park of Poseidonia. It is possible to buy a combi-ticket for both in the museum, also very convinient to have a Campania Artecard for 3 or 7 days, which give you free access to 2 resp. 5 sites, and 50% discount for anything else you wish to see. Museum has a lot of interesting and unique pieces, the highlights for us were the exhibits from polis and Temples of Poseidonia and from Sanctuary of Hera Argiva in Foce del Sele as well as frescoes of "Tomb of the Diver". Museum also has a rather big and well-stocked bookshop.
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