The Saalburg in Hesse is part of the Upper Germanic-Rhaetian Limes which is also known as a UNESCO World Heritage Site. Inside the reconstructed structures of a typical Roman fort, a museum tells about the life of the soldiers along the border.
Sources / More info
- Upper Germanic-Rhaetian Limes (Wikipedia)
- Saalburg (Website)
- Castles in Hesse (Directory)