The Arch and Other Sundials, urban redesign and sculpture by Mark Faverman. At MIT Center for Advanced Visual Studies, through February. What to do with obtrusive structures, or Holyoke Center newly illuminated.

Alexander Calder, prints and tapestries at Graphics I and II, 168 Newbury St. Calder has a magnificent sense of design and color--not since Matisse have tapestries been so exciting. Graphics is a good place to know; they have drawerfuls of Picasso, Miro, Matisse, etc., etc., just ask.