Discover Europe by rail and river on a journey combining Switzerland’s alpine icons with a Danube River cruise. Begin in Zürich and Lucerne, ride the famed Glacier Express and Bernina Express, visit Jungfraujoch and Zermatt beneath the Matterhorn, then continue through Salzburg and Munich, including fairytale Neuschwanstein Castle. Finally, cruise the Danube through Austria, Slovakia and Hungary, exploring the Wachau Valley, Vienna, Bratislava and Budapest.