Charleston is, among many things, a city that builds to last. Its streets hold more than three centuries of accumulated faith expressed in brick, brownstone, stucco, and glass — a collection of sacred architecture spanning denominations, centuries, and stories of survival that few American cities can match. These are buildings earned through fire, earthquake, and endurance, each one still standing, still in use, and still bearing the marks of everything it has outlasted. What follows is a walk through four of my personal favorites in the Holy City — and an invitation to look a little more closely at what they have to say…