Paris!
If I need to choose only one city in the world that provides great atmosphere, culture and history, romance and amazing food - I choose Paris. You can walk there for miles and not get tiered. So much beauty and exciting history packed in this great city!
Every web site will give you the highlights and picture the Eifel tower and the Louvre. So I won't get into that too much but more to tips that I think will make your trip here more wonderful!
So here are just a few wordson the highlights (the order is random it's not the priority but it's devided to regions so you can make each region a trip on it's own - all walking distance):
1) Arc de Triomphe - Charles de Gaulle Etoile
Champs Elysees
Place de la concorde
2) Musee d'Orsay
3) Ile de la Cite:
Hotel de ville
Cathedrale Notre Dame
the flower and bird market - for those who like it
Ste Chapelle
4) Louvre (see www.louvre.fr)
5) Eiffel: (see www.tour-eiffel.fr)
Eiffel tower
Trocadero
6) Marais:
Opera Bastille
place des vosges
Picasso Museum
7) Pompidou center (see www.centerpompidou.fr)
8) Latin quarter:
Small streets west of St. Michel st.
Luxembourg gardens
St. Germain des Pres and the area.
9) Rodin Museum (www.musee-rodin.fr)
and the invalides (www.invalides.org)
There are also some things outside of Paris. See:
www.chateauversailles.fr
www.city-sciences.fr
www.disneylandparis.com
If you have a limited time and you like to feel a little of all, I would recommend:
1,3,4,5,8,9.
In the picture - typical Paris...