In the middle of the Alaskan wilderness, lies a train trestle to nowhere.

At 238 feet above the bottom of a gorge this span is known as the biggest thrill on the road to McCarthy.

Buy your friend a drink or staple some cash to the wall for the next guy at the Salty Dawg Saloon.

The beginning of the historic Iditarod Trail connecting the Alaskan cities of Seward and Nome.

This WWII-era military installation once held an entire city within its walls - now, its walls are falling down.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Running under an entire mountain, the longest highway tunnel in North America is kept fresh using portal fans and jet fans.

During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

Considered by many to be one of the most dangerous highways in Alaska.

The "Gateway to the Arctic" connects Barrow's indigenous population with the sea and its traditional industry: whaling.

Commemorating the lives of a renowned humorist and a famed aviator who died in a plane crash in northern Alaska.

The northernmost truck stop in the United States.

Four-story concrete hotel never opened to customers.

The king of U.S. high points towers over every other peak on the continent.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

The arch marks the beginning of the road for northbound travelers.

The first curved wooden bridge in Canada was built as part of the Alaska-Canada Highway.

Roadside collection of 65,000 signs.

A colossal gold-dredging machine from the Klondike mining boom, now open to tours.

The northernmost international land border crossing in the United States.

A giant poultry statue immortalizes one of Alaska's more humorous town names.

This gravelly, dangerous highway is the only road in the United States that leads to the Arctic Ocean.

The stickered marker pinpoints where the only maintained road in the United States crosses into the polar region.

A trading post in the North Pole where children send letters.