This Baroque masterpiece by architect Francesco Borromini sits at the intersection of the “four fountains.” Its intimate size, luminous dome, and all-white interior make it an oasis of serenity in chaotic Rome. Via del Quirinale, 23 San Carlo alle Quattro Fontane Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Search for: Categories do eat see Recent in Monti Boutique Shopping La Casetta a Monti Basilica di Santa Maria Maggiore Capuchin Crypt & Piazza Barberini Colosseum & the Roman Forum