A snow clearer derails causing big problems for train travel.

There's a defect that's set off the alarm forcing the train to stop. One of the wheel's is way too hot.

Rail workers must shave five feet of rock off a cliff so a large shipment of bridge girders will make it through.

Someone's been shooting near the tracks placing expensive military equipment at risk.

Nancy and Jim James face hungry bears emerging from hibernation as they trek to an abandoned cabin.

The railroad police are called in when a 4-wheeled trespasser is stuck on the line ahead of the speeding train. Can they get it off the tracks in time?

Jim and Nancy James are left without electricity when a porcupine eats through their generator cable. But, the ever resourceful Jim has a plan for the porcupine to pay for the damage.

Moose like to use the train tracks to walk on because it is easier terrain, but it puts them in danger of being hit by a speeding train.

Off gridder Dan Mawhinney decides to sell his cabin, but first he must find a buyer.

Railroad section-chief Bruce Gough is forced to bring out the big guns, a 105mm howitzer with military-grade explosives to trigger man-made avalanches along the track.

JT Evans has been living off-grid for 20 years, and for the last 15 he has been been building his hot house and searching for the right lady to round out his off-gridder lifestyle.

Orville and Jackie are new to the Alaskan lifestyle, and they are running into new problems they have never seen before.

Dan loves the peace and quiet that comes along with being a homesteader and especially on his throne.

Racing the clock, a train crew struggles against delays to deliver a crucial load of unusual freight to a salvage crew waiting in the wilderness. Without their supplies, this salvage crew will be left exposed to the freezing temperatures of Alaska.

In Alaska’s Northern wilderness, off-gridder Ron Hudson and his daughter Ashley are forced to take action to protect his cabin from a bear attack.

Melting ice can quickly create a mudslide and destroy large parts of the railroad.

A snow clearer derails causing big problems for train travel.

Take a ride from the conductor's chair on the Alaskan railroad.

When living off grid in Alaska, getting simple things like water require a bit more work than just turning on your faucet.

In Alaska, avalanches are common. Along a railroad, avalanches can be deadly.

There's a defect that's set off the alarm forcing the train to stop. One of the wheel's is way too hot.

Railroad section-chief Bruce Gough is forced to bring out the big guns, a 105mm howitzer with military-grade explosives to trigger man-made avalanches along the track.

Conductor Harry Ross has worked on the railroad for over 40 years. Using his own money, he purchases and delivers newspapers to his friends, the off-gridders.

The Durr brothers have been off-gridders since the '70s, surviving multiple bear attacks.

Off gridder Dan Mawhinney decides to sell his cabin, but first he must find a buyer.

The Alaskan railroad team must shoot down ice that has the potential to derail a train.

Moose like to use the train tracks to walk on because it is easier terrain, but it puts them in danger of being hit by a speeding train.

Melting ice can quickly create a mudslide and destroy large parts of the railroad.

Jim and Nancy James are left without electricity when a porcupine eats through their generator cable. But, the ever resourceful Jim has a plan for the porcupine to pay for the damage.

Nancy and Jim James face hungry bears emerging from hibernation as they trek to an abandoned cabin.

The railroad police are called in when a 4-wheeled trespasser is stuck on the line ahead of the speeding train. Can they get it off the tracks in time?

See why this Alaskan treehouse might not be move-in ready for these two homebuyers.