The Duomo di Milano, Milan, Italy.
My wife and I were fortunate years back to be able to tour and climb to the top of the famous Duomo di Milano, in Milan, Italy.
Note the Scaffolding, it was begining to be closed due to a massive restoration project that went on for years and so was being closed to tourists and visitors. We were lucky to be able to climb its all around its grand archticural steeples and walkways that day.
My wife and I had a great time one year walking throughout Milan, Italy and seeing all that its daily life offered us.