Oratorio dei Crociferi is not just a house of prayer, but a popular tourist attraction too. Make a pilgrimage and enjoy the peace and quiet.
When you've spent some time at this house of prayer in Cannaregio, why not check out Rialto Bridge, St. Mark's Basilica, and St. Mark's Square? They're not very far from Oratorio dei Crociferi and also popular with travelers.