St. Jean Vianney Catholic Church | Baton Rouge, Louisiana
Cost: $2,800,000 | Square Feet: 16,000
The 16,000 square foot octagon church has a centralized plan, which placed the altar in the center. Six sets of eleven pews surround the alter which holds 1,000 parishioners. The church also has four chapels that extend off the octagon center. The building is conditioned by chilled water provided to variable speed air handling units.