My Last Night is Paris was spent catching the metro, visiting the places I wanted to get a Photograph at night off

The The Pont Alexandre is definitely a must see especially at night if you ever go to Paris

From Wikipedia

The Pont Alexandre III is an arch bridge that spans the Seine, connecting the Champs-Élysées quarter and the Invalides and Eiffel Tower quarter, widely regarded as the most ornate, extravagant bridge in Paris.^[1][2] It is classified as a historical monument.