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Michael Portillo makes the spectacular ascent by train to Europe's highest station.
Michael Portillo travels through Holland and Belgium and ends his journey in France's Forest of Compiegne, where the WWI armistice was signed.
Michael Portillo travels through Spain as he once again ventures onto the European rail network, visiting Madrid, Cordoba, Seville, Algeciras and Gibraltar.
Michael Portillo travels from Turin to Venice, recreating a scene from The Italian Job and investigating the British love affair with Lake Como in the 20th century.
Michael Portillo travels through Scandinavia, crossing the bridge linking Denmark to Sweden to retrace the train journey of a revolutionary Russian passenger.
Michael Portillo ventures on to the European rail network once again with his 1913 Bradshaw's guide, travelling through Russia from Tula to St Petersburg.
Michael Portillo travels through Germany, revealing how British yachtsmen spied on the German navy in the early 20th century.
Michael Portillo travels through Bohemia and Bavaria, test driving a state-of-the-art passenger train in Pilsen and sampling the spa waters of Marianske Lazne.
Michael Portillo travels from Bordeaux to Bilbao, exploring the industrial ties between France and Spain and learning how to cook a traditional Basque dish.
Michael Portillo travels down the spine of Italy from Rome to Sicily, along the way visiting Naples to find out about the country's first railway.
Michael Portillo uses his 1913 copy of Bradshaw's Continental Railway Guide to explore Poland, visiting Warsaw, Lodz, Poznan, Wroclaw and Krakow along the way.
Michael Portillo travels through Spain and Portugal, meeting people from all over the world on the pilgrims' trail to Santiago de Compostela in Galicia.
Michael Portillo travels through Israel and Palestine, visiting Jerusalem's Christian, Jewish and Muslim quarters and Bethlehem in the West Bank.
Michael Portillo travels through France from Lyon down to Marseille on the Mediterranean coast, where he joins a pilot boat leading a supertanker to its berth.
Armed with his 1913 Bradshaw's Continental Railway Guide, Michael Portillo travels from Sofia to Istanbul along part of the route taken by the Orient Express.
Michael Portillo travels the Habsburg imperial line from Vienna across the impressive Semmering Pass, a railway line through the Alps, as he heads toward Trieste.