Duomo di Siena (Duccio window)
Must-SeeThe oldest Italian stained glass — designed by Duccio himself. Best viewed from inside when morning light streams through.
Santa Croce, Florence
Must-SeeGaddi and Agnolo's windows illuminate the Franciscan church where Michelangelo, Galileo, and Machiavelli are buried.
Milan Cathedral
Must-SeeThe largest stained glass program in Italy — the apse windows are among the largest medieval glass panels in the world.
Orvieto Cathedral
Must-SeeThe rose window and apse windows create extraordinary light effects in the afternoon. Combined with the facade mosaics.
Santa Maria del Fiore, Florence
Must-SeeGhiberti and Donatello designed windows — rarely noticed because everyone looks at the dome. Look down, then up.
Where to start
Italy has the world's greatest concentration of stained glass. Use this guide to find the masterpieces — then let yourself be surprised by what you discover on your own.