Which Swiss regions beyond the classic route are worth considering?
Ticino, Appenzell and Graubünden can make Switzerland feel less like the same itinerary everyone else is running. Add them when you have time for a different mood, not when you are already struggling to fit Lucerne, Jungfrau and Zermatt.
Answer
The classic route is classic because it works, not because the rest of Switzerland is filler. Ticino brings a warmer, more Italian-influenced lake-and-stone mood. Appenzell is smaller-scale, pastoral and good for travellers who like villages and gentler alpine texture. Graubünden and the Engadine can feel more spacious and less obvious, especially for rail scenery and longer mountain stays. The catch is time. These places are not best treated as garnish on a frantic first itinerary. They shine when the trip has enough room to change mood, or when you are returning to Switzerland and want something beyond the standard Lucerne-Jungfrau-Zermatt axis.