In the hills of Alabama, the Barnwood Builders take on their most-complicated build ever to create a monster-sized wedding pavilion dreamed up by designer Karen Tillery. It's the perfect marriage of wood and steel!

The Barnwood Builders finds good things really do come in small packages when they take down a modest bank barn in Punxsutawney, PA, and come away with more lumber than ever expected. Later, Mark tours an 1800s feed mill with most of its machinery intact.