Originally called Chiesa di Santa Maria della Visitazione but fondly nicknamed La Pietà, this harmonious church designed by Giorgio Massari is known for its association with the composer Vivaldi, who was concertmaster here in the early 18th century. Though the current church was built after Vivaldi’s death, its acoustic-friendly oval shape honours his memory, and it is still used as a concert hall. Guided tours (€10) run at noon from Tuesday to Friday.