Two paintings of interest on the Getty Museum Web site include Hubert Robert’s lush romantic Hermit Praying in the Ruins of a Roman Temple and Lorenzo Costa’s pen and ink depiction of the Thebaid in A Thebaid: Monks and Hermits in a Landscape.
For the Robert: http://www.getty.edu/art/collections/objects/o918.html.
For the Costa: http://www.getty.edu/art/collections/objects/o204.html.