Pienza
The Duomo in Pienza."Pienza, a town and commune in the province of Siena, in the Val d'Orcia in Tuscany (central Italy), between the towns of Montepulciano and Montalcino, is the "touchstone of Renaissance urbanism."The Duomo (Cathedral), which dominates the center of the piazza, has a façade that is one of the earliest designed in the Renaissance manner." – Wikipedia

