See all Attractions in Pienza Pienza for: Adventure, Food And Dining, Art And Culture, Nightlife, Spa, History, First Timers, Family, Romance, Shopping Diocesan Museum About The Diocesan Museum is filled with church paintings from the 12th to 17th centuries, €4.10, open wednesday to monday 10:00-1:00 & 3:00-7:00. closed tuesday, open only on weekends in winter, on Corso il Rossellino Add to Wish List