Discovery Channel HD

Pete constructs an amazing clubhouse for a summer camp for kids battling cancer. This open-air treehouse grants campers full interaction with nature.

A silver maple is used as the base for a cedar-shingled structure with a curved turret two stories high and a deck with views of Lake Chelan.

Pete heads to the Platte River Valley of eastern Nebraska to build a magical, towering treetop castle for a family that has decided to never grow up.

A treehouse escape grows into a full-time live-in treehouse when Pete lays eyes on the Sitka spruce of his dreams for a hexagonal build on the coast of Oregon.

More everyday items are put under the microscope. What does it take to make metal detectors, rum, Tiffany reproductions and aircraft engines?

More everyday items are put under the microscope. What does it take to make riding mowers, popcorn, adjustable beds and cultured diamonds?

MMA fighter Urijah Faber just opened his new gym and wants a bit of the ocean inside. And a couple wants a tank for the Marine Aquarium Convention.

A previous customer is back, asking for an even bigger and better tank. And, the guys build a custom acrylic waterfall for a memorial in Las Vegas.

Freddy and Juan deliver a mining masterclass, revealing their unique way of solving mechanical puzzles. They revisit some of their ingenious fixes.

The small-time miners bring in 'gold hard cash' from Montana's hard rock. Dave assesses an old family mine with 21st-century technology.

Tony is surprised when his friend Joey needs help with Tony's old Camaro. A family heirloom Jeep CJ-5 is returned to glory after rusting for years.

A Corvette aficionado trusts Tommy to put his spin on a classic '67 Chevy Corvette. The crew give it their all to reimagine the car from the ground up.

More everyday items are put under the microscope. What does it take to make metal detectors, rum, Tiffany reproductions and aircraft engines?

More everyday items are put under the microscope. What does it take to make riding mowers, popcorn, adjustable beds and cultured diamonds?

Tony resurrects an old machine. Meanwhile, one of Parker's member melts down and McCaughans set their trommel on fire to stay on the gold.

Parker closes in on his season goal, but an emergency leaves a novice crew in charge and threatens his momentum. Minnie forces Tony to consult a mining expert.

Freddy and Juan return to the mighty Klondike to help a husband-and-wife team bring their struggling mine back from the brink of bankruptcy.

Freddy and Juan are in the Yukon to help a prospector and family man increase his gold recovery. If they succeed, they'll help secure his family's future.

Robert Irwin comes face to face with a great white shark for the?rst time ever.

A team of shark explorers ventures to the Isle of Jaws off the West Australian coast to find out if two great white sharks recognise, and prefer the company of, a blood relative.

The team investigates a series of Abominable Snowman encounters in British Columbia, using research from Ivan Sanderson's lost archive.

Four decades after the abduction of Travis Walton became a media sensation and ripped apart a small town, shocking new evidence reveals the true story behind Fire in the Sky.

A musician captures a strange object flying over a highway in California. A tourist takes what could be the most compelling UFO photo ever.