Looks at the Glacier Express, the ultimate in luxury rail travel for nearly a century, as it traverses the Swiss Alps between St Moritz and Zermatt.

For 110 years, the Arosa Railway has been a vital lifeline from Chur, the capital of Graubunden, to the renowned winter resort of Arosa.

For about 120 years, the Bernina route has dazzled travellers, winding from the remote Engadine over the Bernina Pass, through the Poschiavo Valley to Tirano in Italy.

The funiculars of Schatzalp and Parsenn in the winter sports haven of Davos are more than just a ride. They are time machines transporting their passengers right back to a bygone era.