" When the Medici pope called in his chosen architect, Michelangelo, both of these aging Renaissance men wanted to honor the architectural wonders of the past by converting a monument of pagan hedonism into a religious masterpiece.
The unprepossessing facade is a rounded brick wall, one of the interior partitions of Diocletian's ancient Bath.
The church's entrance originally separated the now-vanished hot "caldarium" baths from the luke-warm "tepidarium" of Diocletianâ€™s Bath, which is now the church's vestibule.
Next comes the finest statue in the church, representing St. Bruno, founder of the Carthusian order, by the 18C French sculptor Jean-Antoine Houdon.
You then enter the ancient Bath's central hall. The altar is straight ahead on the short axis of the nave, while the overwhelming bulk of the original baths runs in both directions toward the altars on either side, lavishly decorated by Vanvitelli.
The effect of this crossing at the center is breathtaking for its vast size and elegant proportions.
Italian state funerals are usually held here. During the Christmas and Easter seasons there are concerts of religious music. - Roma Online