You are on vacation in the Swabian Alb? Then you can be happy about the AlbCard! If you book an overnight stay in the Swabian Alb, you can get the AlbCard. With it you can not only use buses and trains free of charge, but also get free admission to all sights, thermal spas and baths and other leisure activities. Which hosts participate in the AlbCard and what you can do for free with the AlbCard, you can find here:

https://www.schwaebischealb.de/albcard