Discovery Channel HD Wednesday

A look at how tea, roof finials, artificial flowers and alloy wheels are either made or processed

How gel caps, playground spring riders, frozen pancakes and natural rubber are made

Pete Nelson is in Georgia, where he builds a treehouse that breaks all the country rules, and then visits Dale Earnhardt Jr to see the racing driver's own treehouse

Pete Nelson and the team give a thrill-seeking couple their dream treehouse - straddling three cedars with a wraparound deck providing 360 degrees of stunning views

Rick returns to Vegas and gets a proposition from Parker. Tony hunts for missed gold in the Hester Cut. Parker's crew loses a truck at the worst time.

Parker brings Sluicifer out of retirement for a big week. Rick prays that Vegas Valley still pays out big. Kevin staffs up for the final push.

Any building project is stressful, especially if the build is in the middle of nowhere. A young man builds his first off-the-grid home in rural Illinois

A pair of outdoorsmen build a hunting cabin in southern Colorado. However, an unexpected setback threatens the halt the project

Dr. Jeff is thrown by a medical mystery when Gordo the Chihuahua comes in with a fever, and Bob the black lab suffers a deep wound after protecting his owner.

Dr. Jeff attempts to diagnose a dog's mystery illness. Meanwhile, vet tech Hector's daughter is tasked with caring for a mother dog and her seven pups.

The auction specialists unearth an object manufactured by daredevil Evel Knievel as they continue to bid on items in Toronto

Billy scores a touchdown with his winnings and Mark is interrogated by a local sheriff when the bidders visit Shreveport in Louisiana

Disaster strikes for Mark when he bids on the wrong item at a Louisiana farm auction

The auction specialists return to bid on more items of lost baggage. In the first episode, they try to unearth treasures in Red Hook, New York

The Raneys race winter to build the first ever 'homestead fortress,' and protect a family from brown bears that have taken over a remote homestead

Mike and Elvis take a huge risk buying a neglected Audi RS2 that they can't test drive. Will this high-performance estate car turn into a €40k money pit?

Mike finds a BMW six-cylinder modern classic, the E46 M3, with the subframe already fixed, and he challenges Ant to transform the transmission with new technology

Mike Brewer takes a gamble on a TVR Griffith. However, mechanic Marc 'Elvis' Presley has to pick it apart before restoring and testing the full impact of the iconic sports car

Being a truck driver isn't easy: long hours, huge loads and busy roads are just some of the issues they face. Truckers share their journeys.

D.B. Cooper's identity may finally be revealed. The fate of Michael Rockefeller is exposed. New details emerge about the car in which James Dean died

Sig returns from his mother's funeral only to find his gear in harm's way. The Coast Guard gets a call to extract a sailor with broken legs 200 miles out to sea

Mike Brewer takes a gamble on a TVR Griffith. However, mechanic Marc 'Elvis' Presley has to pick it apart before restoring and testing the full impact of the iconic sports car

Being a truck driver isn't easy: long hours, huge loads and busy roads are just some of the issues they face. Truckers share their journeys.

Shawn needs a strong start to build his mega-dredge but newcomer Ken and the 600-ton Myrtle Irene may have beat him to it. Emily's plan to dive deep is in jeopardy

Josh, Tim and Mark devise a challenge to find the ultimate bootlegger. Three backwoods builders create tricked-out cars to hide a thousand bucks worth of shine

Buying goods from home

Buying goods from home

A look at how paper umbrellas, coal, aircraft seats and cremation urns are made

A look at how aluminium canoes, wooden stave bowls, wheelchair accessible vans and marimbas are made