Luxembourg
In Luxembourg City, I liked the contrast between the oldish buildings in the foreground and the modern viaduct in the top left. (August 28, 2019. Nikon D7200, 1/200s @ f/9, 22mm, ISO 100.)
At the bottom
https://en.wikipedia.org/wiki/Luxembourg_City
Esch-sur-Sûre Castle
https://www.atlasobscura.com/places/esch-sur-sure-castle
Vianden Castle
https://en.wikipedia.org/wiki/Vianden_Castle
Beaufort Castle
https://www.atlasobscura.com/places/beaufort-castle
Schiessentümpel waterfall
https://www.atlasobscura.com/places/schiessentumpel
Faux de Verzy
https://www.atlasobscura.com/places/faux-de-verzy https://en.wikipedia.org/wiki/Faux_de_Verzy
Faux de Verzy
https://www.atlasobscura.com/places/faux-de-verzy https://en.wikipedia.org/wiki/Faux_de_Verzy
The Marne River, from above 49 Degrees North, 3 Degrees East
http://confluence.org/confluence.php?visitid=21958
Canal Saint-Martin, Paris
https://en.wikipedia.org/wiki/Canal_Saint-Martin
Canal Saint-Martin, Paris
https://en.wikipedia.org/wiki/Canal_Saint-Martin
Notre Dame cathedral, Paris - being renovated after its fire
The 3000+ year old Egyption obelisk in the Place de la Concorde, Paris
https://en.wikipedia.org/wiki/Luxor_Obelisk
"Thank you for not letting animals 'do their needs' in front of the house"
Saint-Jacques Tower, Paris
https://en.wikipedia.org/wiki/Saint-Jacques_Tower