Watch Gold Rush: Dave Turin's Lost Mine

As the world struggles to get back to business, Dave and his team of miners give an exclusive, self-shot glimpse into their lives in isolation as they escalate the hunt for the ultimate symbol of security -- gold.

For more than 200 years, gold has fueled the expansion of America to the west. From Arizona to Alaska, Dave Turin walks through living history and gives exclusive insight into the skills and wisdom he has learned from the old timers.

As Team Turin closes out Birdseye mine in Montana, they reflect on their strength and bond through one of their most memorable mining seasons ever.

Walking 200 miles deep into the frozen Alaskan wilderness, Dave searches the hard rock mine of Nixon Fork and takes part in a never-before-seen fire test that separates gold from stone.

Entering 50-year-old abandoned tunnels of Lovitt Day Mine, Dave is on the hunt for the hundreds of millions of dollars of gold left in the rock. With the last living miner to work these tunnels, Dave searches for a life changing haul of hard rock gold.

Risking life and limb, Dave travels mile underground into old abandoned tunnels at Miller Mountain Mine. Avoiding falling rock and squeezing through collapsed passageways, Dave must find enough hard rock gold to change the future of his lost mines dream.

Out on the historic Bear Creek Mine, Dave meets an old buddy who offers a stake in land the old timers missed. Dave must hunt to decide whether the gold and the water are enough to take the deal and put his team back to work.

On the banks of the Missouri River lies a geological hotspot where gold runs with sapphires at the El Dorado Mine. With the owner focused on gems, Dave has a chance to take all the gold. But it's down deep and he needs a lot of it to bring his crew here.

With the clues of the once lucrative Birdseye Mine stripped and sold, Dave must use all his experience to decode 1400 acres of land. If his treasure hunt pays off, the bounty could be big enough to change the lives of his entire crew.

Through the historic ghost town of Marysville and in the woods lies a mine only one mile from the historic source of the gold. It's a treasure hunt to find the untouched ground, so if Dave can crack the old timers' code, it could change the game.

With one shot at a patch of virgin ground at Kit Carson Mine, Dave and Jason must decide whether hobby miner Dwayne is sitting on a fortune or whether the motherlode lies somewhere else.

The teams need to work against time and weather at the Blue Room Cut before the winter starts.

Chris makes an incredible discovery that sets the team up on the best gold all season. As winter starts to close in, Dave gets a hot tip that takes him 2,500 miles north to a mine where he pans the biggest nugget of his career.

Dave's crew is hunting for better ground and behind on their gold target. To turn their season around, Dave calls on a mining legend for help searching for gold at the historic Birdseye mine in Montana.

After a great start, Dave and his crew hit their first problem. A potential flaw with their trommel could end their season before it's even begun.

Dave Turin and his crew kick off a new mining season in the historic hills of Montana. After a freak accident nearly derails their expedition from the start, they rally and find the first big gold of the season.