We fly over the Magellan Strait as we head for Ushuaia in Southern Argentina. Ushuaia is the port used for many of the Polar boats that head for Antarctica, as we are only 1000Km from Antarctica. Whilst here we visit the ‘Tren Del Fin Del Mundo’ - the end of the world train, as it is the most southerly railway in the world, as well as seeing part of the Tierra del Fuego National Park. To round off…