Accordion House Dragspelhuset exterior

Sweden’s Ultra-Instagrammable Accordion House Just Hit the Market for $210K8 of 11

Architects Maartje Lammers and Boris Zeisser sought to expand their summer cabin while complying with local bylaws that limit the size of new additions. Built in 2004, their clever extension features a pulley-and-lever-operated extendible room that cantilevers out and over an adjacent stream.