personal highlights

1. Swiss Alps: greatest barrier on the european north-south axis
2. Gotthard: one of the longest tunnels in the world (nearly 20 km)
3. San Bernardino: yet another pass as well as tunnel through the Alps
4. Wilhelm Tell: national hero waiting on the south side of the Alps
5. Pass roads: unfortunately mostly closed in winter months

image sources

1. Wilhelm Tell
2. San Bernardino
3. Mesocco Castle
4. Val Mesolcina
5. Random snow