Considering the Dorint Novotel am Nurburgring in Koblenz?
A VT member wrote the following comment about visiting Koblenz:
Burg Pfalzgrafenstein (~1327)... by cucaracha
Burg Pfalzgrafenstein (~1327) and Burg Gutenfels (~1200) - On and overlooking the Rhein River. Burg Pfalzgrafenstein resembles a massive stone ship was built to easily collect tolls to the boats navigating the Rhein.