Jeffry's House. Location: Forest Park, county of Donegal, Ireland; firm: Emily Mannion and Thomas O’Brien; Photos: Carla Killeen; description: "Jeffry's House is a respite from the elements and from the everyday," said the designers. "It has portals for the universes of the sky, the sea and for the earth. It is for children and for the child in us." materials: flax thatching that covers the larch frame.