Holly D. Johnson The Basilica di San Lorenzo is the oldest Florentine cathedral, thus its external architecture is not as ornate and embellished as others built throughout Florence in later centuries.

Drawings believed to be by Michelangelo in the Stanza Segreta, or Secret Room, at the Museum of the Medici Chapels, part of the Bargello Museums and the Basilica of San Lorenzo in Florence.

Francesco Fanfani/Courtesy Musei del Bargello. Located beneath the Medici Chapels at the Basilica di San Lorenzo, which house the tombs of the once powerful Medici family, the room opened to the ...