Encompassing the Biblioteca Laurenziana and the Cappelle Medicee , this basilica is a testimony to the political power and patronage of the Medici family. Its origins date back to 393 when St. Ambrose consecrated it in memory of the martyrdom of St. Lawrence. Adorned with fabulous artwork, including the marble Altar of the Sacrament carved by Desiderio da Settignano, the basilica features major artists of the period, including Donatello, Verrocchio, Filippo Lippi and Brunelleschi. This church contains the tombs of many members of the Medici family as well as that of one of their favorite artists, Donatello. Check website for timings.