FAYETTEVILLE, Arkansas — Unlikely as it may seem, this rumbling stretch of road on the edge of this small city is now home to one of the most significant buildings for the future of architecture in North America. …The Anthony Timberlands Center for Design and Materials Innovation looks like a group of great big barns caught in a highway pile-up. …“We imagined the building as a storybook of wood,” says Yvonne Farrell, of Dublin architects Grafton. …The angular wooden hangar provides a huge new workshop, studio space and auditorium for the University of Arkansas’s Fay Jones school of architecture, under the deanship of Peter MacKeith. …This is the fourth mass timber building that the university has completed since MacKeith arrived here in 2014. It follows an impressive library annex, student dormitory complex and research institute, but is by far the most ambitious project, pushing the limits of what the industry can do.