The Barnwood Builders head to Westmoreland County, Pa., to save a classic bank barn; if the guys don't save it now, it won't last another winter; along the way, the guys tour an 18th-century fort; Mark checks out a fully-operational bank barn.

The guys head to Albertville, Ala., to build a log cabin guest house high atop Sand Mountain; Mark visits a finished cabin he and the guys built on Lake Guntersville; Sherman and Johnny visit a woodturner who makes handcrafted wooden tops.

White Sulphur Springs, W.V., is a small town with big plans after a tragic flood devastates the community; the Barnwood Builders play a big part of this small town's revival as they build a log cabin and timber frame.

The Barnwood Builders head to the hills of Pocahontas County, W.V., to try something new; working with repurposed factory beams and hand hewn timbers, they create a hybrid timber frame structure with a shed roof.

The guys build a log cabin pool house on a tight job site in Mentor-on-the-Lake, Ohio, extending the size of the cabin and incorporate a partition wall; Johnny and Sherman hunt for sea glass; Mark Bowe gets a lesson in chainsaw carving.

The guys head to West Sunbury, Penn to restore a complex log cabin; it consists of more than 150 parts that must fit together perfectly; Mark looks for the next job, finding one of the best built barns he's ever seen