The Aletsch region is part of a Unesco World Heritage Site. And not just because the "Large Aletsch Glacier", which carries an incredible 11 billion tons of ice, is the largest glacier of the Alps.
Eastern Switzerland stretches from the shimmering waters of Lake Constance across the hilly Appenzellerland to the Alpine landscapes of Toggenburg, the Heidiland holiday region and the Glarnerland.