Discovery Channel HD Thursday

How do they grow America's only freshwater pearls in Tennessee? Plus, a look at how the world's sharpest knives are forged

How ugly root vegetables are transformed into sweet sugar. Plus, the manufacture of feather dusters and party balloons

With the help of some friends and in just twelve days, a couple build a cabin in the middle of Maine's secluded coastline for their family to unplug and enjoy nature

Avid skier and adventurer, Joe Donovan, builds an off-grid rustic straw bale cabin by hand on a remote ridge in southwest Montana

Dave convinces the client to make the 1967 C10 truck into a convertible. Elsewhere, Kevin takes on a new personal project with a Cadillac Escalade

The engineering on the convertible C10 works in theory, but making it work in practice is the next step. A team bring in a replica 1967 Cobra with a bad engine

Mike hopes that by making a few minor changes, he will be able to double the price on a 1985 Mercedes 300 TD he picked up for a bargain

Mike finds a two-seat convertible vehicle for Ant to recondition. With suspension in need of an overhaul and a broken exhaust, Mike travels to the UK for parts

The Raneys help a struggling Idaho family in a cliffside geodesic dome home. Misty builds an innovative garden greenhouse, while Matt finds a dangerous predator

Part two of two. Chris McCully embarks on a three-person, 15-hour diving marathon while Kris Kelly panics. Plus, Vernon and Emily both try new, unconventional divers

Part one of two. The fleet scrambles to get mining before an approaching storm. Chris McCully has a close call while diving. Vernon attempts to get back in the gold game

Following the work of Alaskan crab fishermen as they brave the treacherous waves of the Bering Sea in search of valuable king crabs

Mike surprises Elvis with a Caterham Seven, but the size of the restoration job is bigger than expected. Can they get it race-worthy in time?

Drew Pritchard visits a Welsh castle to solve a centuries-old salvage mystery, but finding hidden treasure proves trickier than expected

While not the most popular model, the Fox Body Mustang is actually making a comeback, and the one that rolls into the shop needs a lot of love

Barefoot among the karst spires of Guangxi China, Ed must learn to navigate the razor-sharp rocks and deadly snakes in this scarce environment

A look at the creation of some of the world's most ambitious and technologically advanced buildings, from sub-aquatic homes to thin skyscrapers

Josh Gates braves Cape Cod's shark-infested waters to dive the world's only confirmed pirate wreck. Black Sam's treasure includes gold and jewels

In Ohio, Farmtruck and AZN pick eight local racers to compete for $5K. The winner gets to battle it out with OKC legend, Chuck Seitsinger, for an additional $5K

Barefoot among the karst spires of Guangxi China, Ed must learn to navigate the razor-sharp rocks and deadly snakes in this scarce environment

A look at the creation of some of the world's most ambitious and technologically advanced buildings, from sub-aquatic homes to thin skyscrapers

Part three of three. In a change of plans for the Whiskey Van, the owner wants to auction off the van and donate the proceeds to a children's hospital

Josh feels the heat when a Brazilian moonshiner pressures him to attempt an illegal bootleg run. Law enforcement ambushes Mark in his own garage

Buying goods from home

Buying goods from home