Many of Rochester-based artist John Kastner's mixed media illustrations and paintings are Bosch-esque hellscapes jam-packed with clever commentary on this political, social, and environmental mess we're in. In recent years Kastner began incorporating dimensional elements to his complex creations, adding bits of plastic and other detritus he's collected from the sidewalks and streets while out walking. This month he'll celebrate 40 years as a teacher at the Memorial Art Gallery's Creative Workshop with an exhibition of his new work as well as old favorites, small prints, drawings, and samples of commercial illustration.

"The Enigmatic Imagination of John Kastner" is on view through October 31 at the MAG's Lucy Burne Gallery (in the lower level of the Cutler Union building), 500 University Avenue. An opening reception will take place Thursday, October 4, from 5:30 to 7:30 p.m. Gallery hours are Wednesday through Sunday, 11 a.m. to 5 p.m.; and Thursdays until 9 p.m. Admission is $6-$15 (half price Thursdays after 5 p.m.; free to members, UR students, faculty and staff, and kids under age 5). 276-8900; mag.rochester.edu.