The National Archaeological Museum of Madrid (''Museo Arqueológico Nacional'') shows archaeological finds from Prehistory to the 19th century (including Roman mosaics, Greek ceramics, Islamic art and Romanesque art), especially from the Iberian Peninsula, distributed over three floors. An iconic item in the museum is the ''Lady of Elche'', an Iberian bust from the 4th century BC. Other major pieces include the ''Lady of Baza'', the ''Lady of Cerro de los Santos'', the ''Lady of Ibiza'', the ''Bicha of Balazote'', the ''Treasure of Guarrazar'', the ''Pyxis of Zamora'', the ''Mausoleum of Pozo Moro'' or a napier's bones. In addition, the museum has a reproduction of the polychromatic paintings in the Altamira Cave.