Braubach: Marksburg castle (the only castle on a hill on the Rhine that has never been destroyed), home of the German Association of Castles (Deutsche Burgenvereinigung), Obertor gate, Philippsburg castle, historic old town

Single vineyard sites: Koppelstein, Mühlberg, Marmorberg

Lahnstein: Lahneck castle, Martinsburg castle, historic old townhall, Allerheiligen (all saints) chapel, historic restaurant "Wirtshaus an der Lahn", Ruppertsklamm gorge

Single vineyard site: Burg Lahneck

Koblenz: historic old town, Alte Burg castle, Dt. Eck ("German corner", the place where the Mosel joins the Rhine) with its Kaiser Wilhelmdenkmal (Wilhelm memorial), Blumenhof, Deutschherrenhaus, St. Kastorkirche (church), Rhine front, Weindorf, Ehrenbreitstein castle, Konstantin castle, funicular

Single vineyard sites: Kreuzberg, Schnorbach-Brückstück

Source: Stein & Wein