Discovery Channel Wednesday

The manufacture of ball bearings, electric violins, photographs and welding electrodes, and how the processes have evolved over the years

Have you ever wondered how the items we use and rely upon on a daily basis are created? Find out how glass bottles, hacksaws and goalie masks are fabricated

Pete Nelson explores ingenious treehouse designs and engineering feats by builders around the world, and embarks on a treehouse engineering repair

Pete Nelson designs private treetop escapes for those who wish to reconnect with nature

Parker follows the gold into Bolivia where he hopes to tap into its $2.5 billion gold industry. Later, the crew get a lead on a placer operation

Parker uncovers a fleet of monster 110-ton excavators scooping paydirt from the riverbed deep in the Bolivian jungle, but disaster strikes when he gets to the gold

Two natural builders team up to experiment with a never-before-used building material - mushrooms. They hope to virtually grow a home that blends into the environment

A 29-year-old woman builds a 2,000-square-foot dream home with three bedrooms and three bathrooms out of mud and completely off the grid in Arizona.

The keepers wave goodbye to two elephant brothers as they start their new adventure at a zoo in Texas. Plus, two African penguin chicks join the colony

The youngest elephant at the park learns how to use its trunk, while an Andean bear is ready to start mating. Jeff searches for the elusive coast patch-nosed snake

The manufacture of Kamaz trucks and hair-care products and the construction of Chinese landmark building the Canton Tower

The manufacture of ball bearings, cartoonists' ink and false eyes

How Russian dolls are made, and the production of aloe vera and flags

The production of Chinamax, and a brand of Russian vodka

The Raney family begin their most ambitious project ever. Marty attempts a dangerous river crossing to get expensive gear to the homestead

Helicopter pilot Eric battles dangerous weather conditions on an aerial supply mission. Meanwhile, Misty and Maciah work on an innovative greenhouse

Mike and Elvis try to trade their way to a dream Audi Q7 for engineer Aaron. He has recently become a father and would love to drive to visit family in Hungary

NHS worker Marc has a degenerative condition and does not know how long he will be well enough to drive. The boys race to get him a dream Caterham sports car

Mike Brewer snaps up a Jaguar S-Type with 195,000 miles for just £3,000. After some repairs, the boys put it up against another model with just a tenth of the miles

The team races to get a Mercedes wrapped in bright pink for a celebrity client. Dean gets a surprise when he visits a collection of classic Porsches

A murderous monster is said to lurk in the swamplands near New Orleans. Phil and Jess investigate the bloodthirsty beast that terrorises the Bayou

Follows the interventions of the Security and Customs Services at the borders of Spain who are under the constant threat from drugs, weapons, and suspected terrorists.

Follows the interventions of the Security and Customs Services at the borders of Spain who are under the constant threat from drugs, weapons, and suspected terrorists.

Mike Brewer snaps up a Jaguar S-Type with 195,000 miles for just £3,000. After some repairs, the boys put it up against another model with just a tenth of the miles

The team races to get a Mercedes wrapped in bright pink for a celebrity client. Dean gets a surprise when he visits a collection of classic Porsches

Part one of two. The race for untapped gold kicks off! Chris and Joe clash over contested land, Vern tests new Nitrox tech, and Mr. Gold hunts for inland riches

Mark and Digger retrieve their sea-aged whiskey but discover how easily it can slip away again. Richard and Craig have trouble upsizing their absinthe production

Buying goods from home

Buying goods from home

Do you wonder how things are made? Learn the process of manufacturing lacrosse sticks, frozen fish products, flashlights and paintbrushes.

Have you ever wondered how the items we use and rely upon on a daily basis are created? Find out how battery tins and optical lenses are made