Dachau is in the Munich area, it was not one of the big death camps like Auschwitz but it will make you want to cry when you confront the place, face to face, where these things actually happened. Some people choose to think carefully about whether they want to take their children, under a certain age, to confront ovens face to face--hundreds of thousands of children were slaughtered in these death factories and this could be troubling to some children. At some of the death camps they recommend children under 13 not be taken there.Take the train from Venice to Munich, here's the best train website for schedules, you won't use it to buy tickets, however: clickIt's a 7 hr ride. Input Venezia Santa Lucia and Muenchen (American keyboard equivalent of German spelling of Munich) for best results. The exact date doesn't matter but you can input it if you know it, change the time to morning to see all schedules.There's a lot to do in Muenchen, some people give it 3 days.Then you can take a train from Muenchen to Lauterbrunnen in the Berner Oberland, which probably makes the most sense for your Alps experience, coming from Muenchen.