Glacier Express, Switzerland

The Glacier Express delivers the densest concentration of alpine grandeur on any train route, with 291 bridges and 91 tunnels packed into an eight-hour journey from Zermatt to St. Moritz. Snow-capped peaks, deep gorges, and pristine meadows appear outside every window with such relentless frequency that skipping a coffee refill means missing a postcard-worthy moment. This route outpaces #5 by offering 40% more bridges per kilometer than the average scenic rail journey in Europe. Passengers consistently rate the panoramic cars as the most comfortable in Switzerland, with 95% of surveys citing the views as unmatched.