A system for dividing a workspace includes first and second vertically extending walls having a respective upper and lower edge and respective side edges. The first and second walls are arranged in parallel to partially enclose an area. A ceiling is included that extends between the first and second walls to join the upper edges of the first and second walls and at least partially cover the partially enclosed area. The resulting arch-shaped divider system may include any of a plurality of features. For example, the systems may include integrated work surfaces, informational areas, or may include viewing passages and may be arranged in a variety of configurations designed to facilitate collaborative work.