The Gotthard tunnel construction site at Sedrun, 800 metres deep inside the Gotthard massif. The tunnel forms the heart of a new rail route across the Alps (Keystone).
The International Alpine Hot Air Balloon Week takes place in Flims every year, with teams from around the world enjoying the majestic alpine setting (swiss-image).
Chur, whose history goes back 5,000 years, is one of Switzerland's oldest towns. It is also the cantonal capital (swiss-image).
Trains are one of the best ways to experience Graubünden's mountains and valleys. The Landwasser viaduct was built in 1902 and still remains a feat of engineering (Keystone).
Beloved of the jet-set, St Moritz in the Upper Engadine has a glamorous international reputation (Keystone).
The Italian-speaking part of Graubünden also has some spectacular scenery, such as the Lagh da Val Viola, in a side valley of the Valposchiavo (swiss-image).
Swiss painter and sculptor Alberto Giacometti (1901-66) was born in Borgonovo, in Val Bregaglia, another valley in the Italian-speaking part of Graubünden. He spent many years in Paris, but died in Chur (Keystone).
World Economic Forum, Davos
The annual WEF summit takes place at the resort of Davos, where it gathers together business leaders, heads of states and prime ministers – and the odd Hollywood star (AP).
German philosopher Friedrich Nietzsche used to come to this house in Sils-Maria in search of peace and quiet as well as inspiration (swissinfo).
Swiss National Park
Switzerland's only national park in the Engadine is appreciated for its rugged alpine beauty (swiss-image).
This traditional speciality involves curing beef with a mixture of salt and herbs and then letting it air dry. The best accompaniments are said to be crusty bread and a glass of red wine (Keystone).
This Romansh children's book, known as A Bell for Ursli in English, is by Selina Chönz with illustrations by Alois Carigiet. It has been translated into many languages, including Japanese (Orell Füssli Verlag and Iwanami Shoten).
The spectacular Zervreila peak is near the mountain resort of Vals in the Surselva valley. It is known as the Matterhorn of Graubünden (picswiss).
Engadine Ski Marathon
The skiing marathon is a major public sporting event, attracting around 12,000 participants each year (Keystone).
The creation of Swiss author Johanna Spyri is one the best loved books for children. Heidi's village at Maienfeld has become a huge tourist attraction (Keystone).
A journey across one of Switzerland's most diverse and beautiful cantons.
Form for signing up for free newsletter.
WEF Teaser 2018