South of Stockholm, the studio Visiondivision made this extension of a family house. An area dedicated to children, and living space game where exterior and interior intertwine. A Hilversum in the Netherlands, Piet Hein Eek designed this cottage garden. Hermitage and music studio, it seems dug in a woodpile. A Herblay in the Paris suburbs, the architectural firm Quintet sign the Youth and Culture of the city. In a park, the building stretches its colorful facades and plays with reflections. A Antiparos Greece, signed Deca Architecture this house is nestled in the site. A half-buried, it offers spaces, practices and unusual views. Located in the Netherlands, at Eschede in Roombeek neighborhood, this house of 2012 Architects consists of recycled materials: textile, wood, flooring, insulation, etc. At Breda in the Netherlands, the Van Der Velde Grosfeld architecture firm carried out the open house on nature. Surrounded by terraces, pierced by large windows offering light and views. Designed by architect Paulo David, access stairs and welcomes and guides visitors in the heart of a cave open to the public in Madeira. A slatted, wooden structure winds and creeps into the site. All in glass, this house concept was imagined by Carlo Santambrogio and designer Ennio Arosio. A transparent space, from the floor to the ceiling, including the walls, the staircase and the furniture.