Discovery HD

The guys are in Indiana, tasked with one of the biggest shark tanks they've ever built, housing over 100 fish and two species of shark. Moving it is not an easy ride.

The former Idaho Territory of Idaho and Montana is still rich with gold. Dave shows where and how everyday miners think outside the box to get it.

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

A couple plans to build a unique retreat with the help of donkeys. When their plans go haywire, they are left scrambling for solutions to finish the project.

A family plan to build a geodesic dome home in the North Georgia mountains but will an endless rainstorm sabotage their site before its finished.

Dr Jeff helps a remote town which has become overwhelmed with feral cats. Plus, a staff member's dog needs emergency surgery and Jeff rushes to save a Chihuahua.

Dr. Jeff treats a puppy suffering from a deadly virus. And, he must gain the trust of rescued wolves to help an ailing member of the pack.

More everyday items go under the microscope with a look at how objects such as lace and unicycle wheel hubs are made.

More everyday items go the microscope. How are external hard drives, Thai rice boxes and paper towels made.

More everyday items go under the microscope with a look at how objects such as tea, artificial flowers and alloy wheels are made.

More everyday items go under the microscope with a look at how objects from gel caps to frozen pancakes are made.

The Raneys encounter the unexplained disappearances of a Virginia homestead's water and food sources. They work together to solve the mysteries.

Mike and Elvis are determined to celebrate a dying breed, the iconic V8 engine. They've chosen a classic sports car to do it, the Mercedes SL55.

Mike finally gets his hands on an Astra GTE. With spare parts hard to come by, the boys are determined to make a profit from this lengthy project.

With gold prices skyrocketing to an unprecedented $3,500 an ounce and rising, Parker, Tony and Rick try to bring in a record amount of gold.

Dave Turin joins Juan in Alaska for their first-ever double rescue - they must battle a massive, 30-foot wash plant fix to get 150 oz. of gold.