Episode 1 - Under Siege

A journey is put in jeopardy and an ambitious construction project

Episode 2 - Eye of the Storm

Struggling against a snowstorm and a missing man

Episode 3 - Night From Hell

Repairing a damaged stretch of track and an ambitious expedition

Episode 4 - The Dead Zone

Vital radio communications go down and the largest single item ever hauled by the railroad

Episode 5 - Mountain Hell

A massive construction project, repairing a derailed snowplough and building a steam bath...

Episode 6 - Ice Rescue

A disastrous derail leaves track crews stranded and in need of urgent rescue

Episode 7 - Trapped in Ice

Deep ice threatens to smother the track, forcing track workers to resort to a risky solution

Episode 8 - Melt Down

In Alaska the spring thaw puts the railroad into meltdown

Episode 1 - Under Siege

George, Davy and Bill are headed north from Anchorage with the most expensive and high priority load of the winter season – a quarter of a billion dollars worth of army vehicles and hardware destined for the US Army’s Arctic Warriors military base in Fairbanks.The journey is put in jeopardy when special agent Johnny Evans discovers that a gunman has been shooting at the tracks – causing damage so severe that the rail needs replacing.

Off grid veteran homesteader Nancy James and husband Jim feel the pressure during an ambitious construction project.

In Denali National Park young couple Taras and Staci Genet use their bush ingenuity to build a pedal powered generator.

for Destination America, Discovery