Once you exchange this voucher at the Duomo ticketing counter after skipping the ticket collection line, you will then be able to enjoy an all-access pass to all the spaces of the Duomo that are open to the public. This vision in Candoglia marble is Milan's most extravagant cathedral. On entering, you will see why. With its 3400 statues, 55 stained glass windows, beautiful altars, and paintings, the Duomo is the most important example of Gothic style in Northern Italy. After which you can make your way to the cathedral's elevator to head up the first terrace. Walking through the spires and pinnacles that adorn its rooftop, you will see the breathtaking skyline of Milan.
You can also visit the famous Archaeological Area underneath the Cathedral to discover the Baptistery of St. John and the Church of Santa Tecla. You will witness the perfect example of octagonal early Christian Baptistery and learn about the life in Milan during the Roman Age. You will have all the time you need to explore and wander until closing time.