The World's Most Scenic Railway Journeys - Season 4 Episode 4 -

Cameras focus on Austria's stunning Transalpine railway, which crosses the snowy peaks of the Tirol. Our journey begins in the historic city of Graz and heads west through famous alpine beauty spots, including Zell am Zee, where the sounds of yodelling still echo across pristine mountain valleys. The final stretch passes through the 10.6- kilometre Arlberg Tunnel.