8The Glacier Express, Switzerland

Switzerland is renowned for its scenic train journeys, and the Glacier Express is perhaps the most famous.

This iconic route connects the Swiss mountain resorts of Zermatt and St. Moritz, traversing some of the most stunning alpine landscapes in the world. Passengers are treated to views of towering peaks, charming villages, and pristine valleys. The journey also includes crossing 291 bridges and passing through 91 tunnels, making it an engineering marvel as well as a visual feast.