In August 1999, we went to Cologne and Bad Salzig and sang at Wesseling and Maria Laach monastery.  Here is Cologne Cathedral and Limburg Cathedral and the monastery.

Here is the hotel we stayed at in Bad Salzig, a float in the flower festival procession at Bad Ems, the Loreley rock (guess what we sang to the captive audience on the boat!) and Burg Eltz.