Medieval Germany isn't just a slice of history. Located in the state of Rhineland-Palatinate, this castle was built in the 13th century but is now an impressive ruin. An example of this approach is Kerak. To begin your search click the state in which you are planning to travel. The Sassanians also constructed various other palaces or castles such as the Rudkhan Castle , but most of them have been either destroyed or are in ruins today. Follow the River Neckar and travel across the undulating hills of Germany's backcountry, stopping at Heilbronn to explore and dine. While the was restored in the s after previously being damaged by the French, large sections from the original castle remain which date all the way back to the s!