Southern German towns we explored Ravensburg and Lindau. We stayed in Friedrichshafen, Germany.
Here is a link to the awesome Air B&B Teepee that we stayed in Liechtenstein. https://www.airbnb.com/rooms/24573665?source_impression_id=p3_1579052352_l6IQIdBrKKnzV%2BQZ
Other Liechtenstein websites of interest: