The Cathedral of Saint Mary of the Flower in Florence, Tuscany, Italy - stock photo

The Baptistery and Giotto's Campanile are part of the cathedral complex in Piazza del Duomo. A major tourist attraction of Tuscany, these three buildings are part of the UNESCO World Heritage Site covering Florence's historic center. It is one of Italy's largest churches, and until new structural materials were developed in the modern era, the dome was the largest in the world. Until now, it has been the largest brick dome ever built.