National Geographic: Dead End Express

On the edge of the American frontier, a few brave men risk their lives delivering vital supplies to people living off-the-grid. Follow five rugged adventurers as they live and breathe the high-stakes of hauling critical cargo into unique tracts of wilderness. Always on the move, these deliverymen have been shaped by the great outdoors, and have learned the hard way how to tackle anything that Mother Nature throws in their path. Whether by bush plane, jet boat, snowmachine, dog-sled or pack horse, they'll overcome all obstacles and do whatever it takes to make their delivery.