As well as taking in these fantastic Spanish cities, this two-week itinerary also explores the ancient towns and dramatic landscape of Andalucía

There are plenty of opportunities to hop off the train between the two capitals and explore Sweden’s wilderness, lakeside towns and tiny islands

Fields of wild flowers, and a festival to celebrate them, plus fantastic food … The mountains of Slovenia really are bursting with life

There is joy to be had on local trains in the sultry south, where the pace of life is as leisurely and bewitching as the narrow-gauge railways

Nothing quite beats the romance of travelling on a steam train or shunting through mountains. These rides showcase Europe’s spectacular landscapes

After starting in London, this itinerary takes in Lake Geneva, the Austrian Tirol, and the heights of the Zugspitze in Bavaria, with stunning views all the way

Follow his advice and your trip will not only be more be eco-friendly and enjoyable than flying, it could be similarly priced, too