Central to Old Lyme's artistic reputation is this grand late-Georgian-style mansion, which served as a boardinghouse for members of the Lyme Art Colony in the first decades of the 20th century. When artists like Willard Metcalf, Clark Voorhees, Childe Hassam, and Henry Ward Ranger flocked to the area to paint its varied landscape, Miss Florence Griswold offered housing as well as artistic...