This Art Gallery is to be found in the gorgeous Villa Borghese and it boasts works by the greatest of Italian artists. The upper floor holds one of the most important pinacothecas in the world, with paintings by Titian, Caravaggio, Botticelli and Raphael, while the main floor is dedicated to the classic antiquities. The marvellous sculptures by Bernini are the icing on the cake of this absolutely mandatory visit.