Abstract: A building structure comprising a tubular member made from cardboard having an applied covering layer of urethane foam that is formed into a desired shape. An internal load bearing member of reinforced concrete is installed within the interior of the tubular member to complete the structure. In addition, a method of making a decorative building structure is provided comprising the steps of: applying a covering layer to the exterior of a tubular member, sculpting the covering layer to a desired form, and installing a load bearing member within the interior of the tubular member.