Alaska's Coast Guard fights risky waters to maintain buoys standing three stories tall. Plus, an army of Alaskans build a steel ferry - several tons at a time.

Documentary series looking at how Alaskans use machines to endure the terrain and weather. A barge like never seen before carries an entire train along the high seas…

Only in Alaska can you find an airport made from water and ice. Hardy vehicles brave the arctic to travel across the tundra. And next to a field…