Traveling route: Zurich-- 3 hours city walk tour along the most popular route suggested by the travel information center in Zurich HB train station. Balzers-- a small town one hour train ride from Zurich. Interlaken to Jungfraujoch-- Train from Interlaken to Jungfraujoch on path A and back to Interlaken on path B. Many scenic spots on the train and on the top of Jungfraujoch. Interlaken to Luzern-- The 2-hour IR train from Interlaken to Luzern was fantastic. Luzern- a historic Switzerland town. Walking between interesting spots in the town took me 4 hours. There are many towers with different size in the town.