If the weather's taken a turn for the worse, why not spend the day at Imperial City Museum? You'll be surprised just how many interesting facts you can learn about the past here.
This Rothenburg Old Town collection of historical artifacts is a good place to begin your day of sightseeing. There's loads to do and see in the area, such as Rothenburg Town Hall, Rothenburg Town Walls, and Rothenburg Plonlein. Wander around at your leisure at Imperial City Museum before hitting up these other fine attractions.