The Castle of Bay Dominates the gulf of Pozzuoli in strategic position. Already existing in Aragonese age, after l' eruption of New Mount (1538). Military Orfanotrofio of 1927, in 1993 cospicua a part of the castle has been used after Archaeological Museum. The museum, in via of expansion, accommodates, between l' high, the reperti of the sacello of the Agustali to Miseno, with the reconstruction of the fronton, and fragments of bronze the equestre monument of Domiziano-Rib, numerous treads in chalk of Greek sculptures found again to Bay and the wonderful scenografia of the marine Ninfeo of Epitaffio Tip, with the pregevoli statues. In un' other wing of the museum, has been arranged the coming works from the diggings, still in course, of the Rione Earth to Pozzuoli. The Rione Earth constitutes the center of first roman Cologne dell' ancient Puteoli. Lived with continuity also in the course of the Middle Ages till recent times, it came sfollato in the years ' before 70, and in 1982-84 definitively because of the bradisismo. Diggings in course from some years have brought to light good part of the roman street reticulum and some buildings that they pointed out on it. The first nucleus of the archaeological park, than in the future will be extended on a surface of beyond 2 squared kilometers, is now visitabile. the Solfatara. Strabone (66 a.C. -24 d.C.) of it gives the most ancient testimony written reached till we, in its “geographica Strabonis”, indicating it with the name “Forum Volcanos”, Dwelling of the God Volcano, income for the Inferi., also being sin from remote times goal of excursions for the famous vulcanici phenomena, in fact it was comprised between forty more famous terme of the Flegrei Fields sin from the Medioevo.Non was traveller of `700 and `800 who did not insert the Solfatara between its excursions in the within of the so-called “Grand Tour”, travel of instruction for the young people of the families noble European...