There is a church called the Baptistery of St. John in Tuscany's Florence. The three sets of bronze doors are an especially notable artistic feature.

It may be found in Piazza del Duomo, to the west of Santa Maria del Fiore Cathedral. It is considered a small basilica.

A rectangular addition was made to the west side of the baptistery, making a total of eight equal sides. The "eight days" are represented by this octagonal shape. The hour of Christ's resurrection has come, and it is greater than our seven-day week. It represented the transition from a life of sin to a life in Christ that occurs upon baptism.

White Carrara marble with geometrical carvings covers the sandstone walls; between 1059 and 1128, green Prato marble was inlaid and modeled in the Roman style. The grey stone corner pilasters were given a zebra pattern in black and white marble by Arnolfo di Cambio in 1293.

This church would become a model for subsequent Romanesque structures in Tuscany, inspiring the work of architects like Leone Battista Alberti. Above the Gates of Paradise and the south doors are statues by Andrea Sansovino, Giovan Francesco Rustici, and Vincenzo Danti, among others.

The side artwork is divided into three portions, the first three of which are horizontal. There are three windows hidden within each of the arches on either side of the central area. The arches underneath each window are decorated artistically. There are a total of three tiny windows, one in each corner of the central block, at the very top. Originally a semicircle, the apse was changed to a rectangle in 1202.