The Blue Rigi (c.1845, 42x68cm). This is one of several masterpieces painted after Turner's last visit to the Alps in 1844. The peaceful scene actually rings with a hunter's shot — from the hunting boat at right, scattering the water birds at lower left — inserted as a synesthesic accent to the éclat of the rising sun. This transcendentally luminous image of the Kulm peak and its reflecting Lake Lucerne is a beautiful example of Turner's subtle method of building up color into a prismatic haze.