Museo della Pietra Serena

The Museum of Pietra Serena – a local grey sandstone – is housed in the underground chambers of the medieval fortress, and the entrance is in the moat, which came to light during restoration work together with the 15th-century bastions designed by Antonio da Sangallo.

Divided into six sections, the museum explores the various phases from initial quarrying through to the finished product. An area is given over to more artistic items like Renaissance capitals and low reliefs, besides a selection of stonemason’s tools.