Rick and Marty Lagina, two brothers from Michigan with a life-long interest in the mystery of Oak Island, renew efforts to discover the legendary treasure with sophisticated machinery.

The treacherous job of driving trucks over frozen lakes, also known as ice roads, in Canada's Northwest Territories and Alaska's improved but still remote Dalton Highway, which is mainly snow-covered solid ground.

The treacherous job of driving trucks over frozen lakes, also known as ice roads, in Canada's Northwest Territories and Alaska's improved but still remote Dalton Highway, which is mainly snow-covered solid ground.