The Chapelle de la Miséricorde is considered one of the finest baroque interiors in the south of France, though it is small enough to be overlooked by visitors hurrying through Cours Saleya. Built in the 1740s for the Brotherhood of the Black Penitents, it has an oval plan, galleries supported by slender columns, and a ceiling fresco of extraordinary virtuosity — all achieved in a space the size of a large drawing room.
The chapel is open only on certain mornings (typically Tuesday and Saturday, but check locally) and fills quickly even then. The two altarpieces by Louis Bréa and his nephew Jean Bréa, founders of the Nice School of painting, are alone worth the effort of timing a visit correctly.