There's lots to see in Paris. We first visited in 1996 and have been back a few times. I've posted some pictures and information of some of the popular sites. Click on the places listed for more information and photos.
Arc de Triomphe
Eiffel Tower
Fontaine de Mers
Le Louvre
Notre Dame Cathedral
Obelisk from Luxor Egypt
Palace of Versailles (actually in Versailles, not far from Paris)
Pont des Arts (Bridge famous for its "love locks")
Roman Paris (Arena, Baths, and artifacts)
Sacré-Couer Basilica/ Montmartre
Seine River - worth a cruise