Journeys by rail: five of the best new adventures Up the Puy de Dôme Europe's newest railway journey takes you up one of the Auvergne's great volcanic plugs, the Puy de Dôme. Opened this summer, the rack railway follows the route of a line that closed in 1926, and offers panoramic views over the extraordinary concentration of dormant volcanoes to the west of Clermont-Ferrand. The city is also the start of a journey over the railway that crosses Eiffel's famous Garabit Viaduct to reach Béziers. Railbookers (020 3327 2424; railbookers.com) offers inclusive packages to Clermont-Ferrand, including return rail travel from London and two nights" stay at the Holiday Inn Garden Court with breakfast, from £199 per person.