A great place to visit on a rainy afternoon between April and October. Lot's of tanks and military…read morestuff to look at. They have the old Mowag and Oerlikon-Buerle Werks exhibition on site since those enterprises were sold elsewhere. You should also checkout the Festungsmuseum Reuenthal. Their collections of weapons from all over the world and the history in general of that place is simply amazing. Great for guided group tours too if you call ahead.