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.

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.

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.

There’s access from the air and the road, which is a plus. But the home has no plumbing, only an outhouse and a sauna for bathing. Michael isn’t excited by the idea of hauling water or walking Miranda to the bathroom every day.

The Ranch House is minutes outside of Talkeetna and has the old cabin charm this couple is looking for, but the repairs to update and snooping bears might be too much.

Montana Creek offers a peaceful setting for this home, but it also has a rich Alaskan history. It’s an old trapper cabin built in 1970 with a modern addition, but will the historical logs cause trouble down the line?

Sitting on about 40 acres of land is a rustic log cabin with a ¼ mile long dirt driveway that has been beaten up by rough Alaskan winters. There is no indoor plumbing, but it has one of the most unusual outdoor showers they’ve ever seen.

This Alaskan home is perfect for the millionaire who wants a view and has eccentric taste.

This house is located 20 miles east of downtown Anchorage. It's views and amenities are hard to pass up!

This home, situated at the base of Pioneer Peak, has access to beautiful river trails, a state of the art septic system and a unique garage. But will potential flooding dangers keep these homebuyers from calling it home?

This lake cabin, nestled in the Chugach National Forest along Kenai Lake, might be the log cabin of their dreams, but will it be enough to make these homebuyers buy?

This multi-million dollar home, situated 16 miles south of downtown Anchorage, has almost everything you could ask for, including a private airstrip. But will the possibility of 120 mph winds prevent a sale?

Would you be willing to haul your own drinking water from town twice a week and use an outhouse called "The Library?" These two homebuyers might.

This Alaskan beach house has killer views, but you'll have to work to get to them.