Overview: Marsh Mokhtari takes a white-knuckle journey through India's majestic Himalayan mountain range over one of the world's highest motorable passes.
Overview: Marsh Mokhtari is in Canada's Northwest Territories where he travels on an ice road to the northernmost village on the Canadian mainland.
Overview: Marsh attempts a treacherous winter ascent of the notorious Sani Pass. From there it only gets worse as he faces the highest road in Africa.
Overview: Marsh travels into Panama's infamous Darien Gap – a primeval jungle inhabited by a variety of dangerous wildlife as well as Colombian guerrillas.