Surface culture is most often described as "the things we can see around us." Of course we cannot see oral history, but we share some contributions which we could place on a bookshelf or on the coffee table for all to see.
culinary contributions of a group of people
patriotic days, religious observances, and personal rites and celebrations (birthdays, anniversaries, etc.)
traditional and contemporary music, visual and performing arts, and drama
tales, legends, and oral history
humanitarian contributions and social and political movements