Just a meaningless poll for fun. Those familiar with the series have no doubt seen one or more of the famous special episodes. The list is below (in no particular order) with links so you can find and view any you haven't already seen. Vote above. Simple, eh? Vietnam Special. The Challenge: Travel 1000 miles (1609 kilometres) from Hồ ChÃ Minh City (Saigon), in the south of Vietnam to Hạ Long city, near Hanoi (HÃ Nội) in the north in eight days...mostly on motorbikes. Bolivia Special. The Challenge: Travel 1,000 miles through South America from the rainforests of Bolivia to the Pacific coast of Chile, using second hand off-road vehicles, bought locally in Bolivia for less than Â£3,500 each. Middle East (Christmas) Special. The Challenge: Re-enact the journey of the Three Wise Men by travelling from northern Iraq to a stable in Bethlehem. Winter Olympics Special (scroll down to Season 7 Episode Winter Olympics Special). The presenters travel to Lillehammer, Norway for a special edition of the show consisting of Winter Olympic sports adapted to be played using motor cars, with the losers of each challenge having to eat golden snow. US Special (scroll to Season 8 Episode 03). A road trip from Miami to New Orleans. The Challenge: Buy a car for the trip for less than it costs to rent one. Botswana Special (scroll to Season 10 Episode 04). The Challenge: Travel to Botswana to buy a car for less than Â£1500, and use it to travel from the Zimbabwean border to the Namibian border, a trip of 1,000 miles. Polar Special (scroll to Season 10 Episode Polar Special). An attempt to be the first to drive a motor vehicle to the 1996 location of the Magnetic North Pole.