Something about the North Boroughs inspires holiday decorations. Valentine's Day, Easter, Christmas, of course, and for some residents, what has become the favorite outlet of their creativity: Halloween.

While almost every area street sports its share of monster inflatables, witches, goblins and lights, Jeff and Mary Marous, who have lived in Avalon for the past eight years, have pumped the art of Halloween decoration to a new level -- sort of an interactive "happening."