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The world's longest railway tunnel is a 35-mile long journey through the scenic Swiss Alps

The longest railway tunnel in the world is a 35-mile long journey located in the south of Switzerland surrounded by the ...
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The most scenic train trips through Switzerland, according to our expert

In Switzerland, the Gornergrat train ascends 4,900 feet from Zermatt to the Gornergrat summit, making it the second-highest railway in Europe after the Jungfraubahnen. Photograph by Artur Debat, Getty ...