Most of the bodies of water around the world which I've personally encountered, whether that be by boat, hovercraft, zipline, swimming, paddling, toe-dipping, walking/ cycling/ being driven alongside or over one by bridge, or simply by looking out over one!
Major cities or towns on the rivers below:
Danube - Linz, Vienna, Bratislava, Budapest, Novi Sad, Belgrade, Ruse
Rhine - Rotterdam, Cologne, Bonn, Düsseldorf, Koblenz, Strasbourg, Basel, Vaduz, Chur
Neris - Vilnius, Kernavė, Kaunas
Yser - Nieuwpoort
Lys/ Leie - Ghent, Kortrijk
Moselle - Trier, Metz, Koblenz, Zell
Inn - Innsbruck, St Moritz, Passau
Salzach - Salzburg, St Johann im Pongau, Hallein
Mur - Graz, Radenci
Tagus - Lisbon, Santarém, Toledo, Aranjuez
Drava - Spittal an der Drau, Villach, Maribor, Ptuj, Varaždin, Osijek
Neretva - Mostar, Počitelj
Sava - Zagreb, Belgrade
Maritsa - Plovdiv, Dimitrovgrad, Edirne
Vardar - Skopje, Veles
Paraná - Rosario, Puerto Iguazú, Foz do Iguaçu, Encarnacion
Napo - Coca, Puerto Misahuallí