Discover Italy’s treasures below the earth’s surface - tunnels, archaeological layers of housing, paleo-christian sites and catacombs, architectural marvels under ground... book your Underground Tours with WeekendinItaly.com!
Easy Access Milan's Duomo, the undergrounds and Terraces Tour
Your "Skip the Line" small group tour will lead you inside the Duomo and unveil the mysteries even the local Milanesi don't know!