At Castellina Marittima, in the former Palazzo Opera Pia, is the Central Museum Unit of the Ecomuseo dell'Alabastro (other museum units are located at Volterra and Santa Luce). The exhibition, designed to stimulate interest in visiting the territory, displays historical documents and instruments utilised in working alabaster. Alabaster deposits are found also at Riparbella, at Montecatini Val di Cecina and at Volterra.