Paris (3 nights)
Eiffel Tower (with dinner), Louvre Museum, Notre-Dame, Montmartre, Seine cruise, Champs-Élysées, Versailles day trip.
Nice & French Riviera (2 nights)
Nice Promenade des Anglais, Monaco (Monte Carlo, Prince's Palace), Eze Village, Cannes.
Provence (1 night)
Lavender fields (seasonal), Avignon Papal Palace, Pont du Gard Roman Aqueduct.