One half of the team restores a huge log cabin at the Boneyard, the other half teaches some young men how to build a cabin in Tennessee. Meanwhile, Mark scouts a cabin built with pine logs, and the guys visit a shop filled with old-time treasures.

The Barnwood Builders create a timber frame barn for a private collection of American muscle cars in Columbus, Texas. Mark visits one of the biggest barns he's ever seen, finds the oldest live oak tree in the state and explores some local history.

The Barnwood Builders score a major salvage from a barn near one of America's oldest pine forests in Brookville, Pennsylvania. Later, Mark and Sherman visit a local mill that turns reclaimed wood into spectacular products and Mark finds a perfect example of a hand-painted barnwood billboard.

The Barnwood Builders head back to Brookville, Pennsylvania, to save the frame of a bank barn that sits dangerously close to a road. Then, Mark visits an old log lodge resort and scouts an amazing timber frame barn built in 1895.

A couple enlists the crew to build a log chapel which will be used as a venue for weddings in Waynesboro, Virginia. Later, Mark tours an old Texas church and visits a 1795 log-built bed and breakfast where they famously make pickles on the side.

In Orwigsburg, Pennsylvania, the Barnwood Builders save one of the biggest barns they have ever seen. This dangerous demolition demands the best of everyone. Mark explores an extraordinary early 19th century bank barn made of stone and finds an old pioneer springhouse and root cellar.

The Barnwood Builders visit the oldest statewide 4-H Camp in the country and teach a team of teenagers how to build a log cabin. Mark and Sherman compete as archery coaches, Johnny learns the pioneer craft of paper marbling and Mark learns about cows for the first time in his life.

In Texas, the Barnwood Builders raise the largest timberframe they have ever built by combining wood and steel. Along the way, they battle hundred degree temperatures, and Mark explores a renovated inn with the Junk Gypsies.

In Leicester, North Carolina, three young interns working alongside the Barnwood Builders save an extremely remote cabin in the hills. Back on the Boneyard in West Virginia, the young men are put to the test during the restoration.

While Mark Bowe is on the road looking for hand-made crafts to sell in his other store, Sherman leads the crew building a log cabin kitchen near Alexandria. Things get wild as Mark carves a 10,000-year old mammoth tusk for Sherman, builds a custom wallet out of bison hide and wanders into a store with a stuffed giraffe.

The Barnwood Builders go back to school when Mark Bowe buys a cabin with an unusual design called Piece en Piece. It's a combination of timber frame and stacked logs that none of them have ever dismantled. There is one surprise after another and even an ingenious Sherman Thompson invention.

The guys transform a timber frame barn into a modern home for an architect in Louisiana. As they build, they explore the rich architectural history of the Bayou State. Afterwards, they visit a cabin Mark repaired years ago and an historic French-Creole house nearby.

Mark Bowe and his crew work to salvage a cabin that saved their business. It takes a variety of repairs to bring it back to life, but once it's up, Katherine has the best surprise of all. Later, Mark's pal Eddie makes a lamp out of reclaimed materials.