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 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.

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.

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.

Dave travels miles underground into the old abandoned tunnels at Miller Mountain Mine. Avoiding falling rocks and squeezing through collapsed passageways, Dave must find enough hard rock gold to change the future of his lost mine's dream.

Entering 50-year-old abandoned tunnels of Lovitt Day Mine, Dave is on the hunt for 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.

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.

It will be one of the most daring and captivating live events in history. Nik Wallenda, the legendary tightrope walker will traverse the Grand Canyon, without a net and or a harness. This walk is higher than he's ever attempted, at 1,500 ft.

Seventh-generation daredevil Nik Wallenda attempts a record-breaking wire walk at The Bahamas Atlantis Resort under in stormy conditions. Then, Nik takes on his family's greatest fears as he repeats the walk in Puerto Rico where his gran

An in-depth look into the training of Nik Wallenda before the highest walk of his career. Nik risks everything to change his family's legacy as he crosses a wire in Puerto Rico where the world watched his great-grandfather fall to his death.

Rescuing stranded climbers with no coordinates is a daunting task.

Jason preps his helicopter for the world's highest landing spot.

Ryan battles the elements racing back to Lukla with sick climbers.

Ryan confronts an uninvited climber trying to hitch a ride at 17,500 feet.

Jason and Siddartha try to save climbers along a treacherous icefall.

Ryan struggles to locate a woman suffering from severe abdominal pains.