Bow your head, say a prayer and perhaps even light a candle in Saint Pierre Cathedral. This important religious building may not always be open, so check ahead for times if you'd like to see inside.
When you've spent some time at this St.-Pierre principal church, why not check out Saint Pierre City Hall, Ile aux Marins Island Fort, and Pointe aux Canons Lighthouse? They're not far from Saint Pierre Cathedral and also popular with travelers.