Picture of Santa Maria Del Fiore, Duomo

-- Work on the Gothic cathedral of Santa Maria del Fiore began in 1296 and was completed by Brunelleschi in 1436 with the famous Dome, which was painted inside with frescoes by Vasari and Zuccari. The square Bell tower designed by Giotto in 1334 stands on the right-hand side of the Cathedral and is covered in white, green and red marble.