Obviously some strong suggestions here to go to Lauterbrunnen area....if you do,
and if you like hiking, there are some really cool hut-to-hut hikes you can do up above that valley. Hike in to a hut that's only accessible by trail, eat a delicious dinner at the hut, sleep in a bed (some shared rooms, some private), eat breakfast at the hut, then move on and hike out or to the next hut.
Here's a couple that can be done as a one-night thing or combined: