A new school system in Sweden has thrown out the old ideas of what a school building should be entirely. They have gotten rid of the traditional classrooms and created a space that is not defined by parallel walls. Their classes are not held in boxes. Students can lounge around and move in ways that are not normally appropriate at a traditional school. The theory is that it will encourage students to work independently, engage in conversations and think more creatively. I don't know about any of that, but it sure looks fun to me.
Read about it here, and take a virtual tour here.