Sketch of the baptistery, Campo dei Miracoli, Pisa

NOTES: The Bapistery of St John, with the Duomo, forms part of the Cathedral complex. It replaced an older baptistery and was begun in Romanesque style in 1152 under Diotisalvi. The upper part underwent a Gothic transformation by Nicola Pisano and his son, Giovanni, in 1277-1297. The dome was added by Cellino di Nese in the 1300s and the building was finally completed in 1363.