Full Circle with Michael Palin: Mexico, Usa, Canada and Alaska

On the final leg of his journey, the unflappable traveller visits Mexico, the USA and Canada. He roams the frozen wastes of Alaska, pauses at the Mexican border, does time in Alcatraz, hangs out with lumberjacks and hitches a lift with the US Coast Guard as he tries to get back to the exact spot from where he started all those miles before