If you're planning to visit lots of museums and attractions in Paris, the following five are not to be missed.
The Notre Dame 
Description: The Notre Dame is a magnificent Gothic cathedral in the oldest part of Paris. 
Location: Place du Parvis Notre Dame 
Opening hours: 07:45 to 18:45 Monday to Saturday 
Admission: Donation only 
Website: www.cathedraledeparis.com 
The Eiffel Tower 
Description: The Eiffel Tower is the most famous symbol of Paris. Take the lift or stairs up to the top for fabulous   views of the city. 
Location: Champ de Mars 
Opening hours: Open daily throughout the year -- January to June and September to December 09:30 to 23:45, July and August 09:00 to 00:45 
Admission: 11EUR to the top 
Website: www.tour-eiffel.fr  
L'Arc de Triomphe 
Description: This grand arch was built by Napoleon to honour the French Army. 
Location: Place de l'etoile 
Opening hours: Open daily throughout the year -- April to September 10:00 to 23:00, October to March 10:00 to 22:30
Website: www.monum.fr / prehome / prehome.dml 
The Louvre Museum 
Description: The Louvre Museum is a spectacular Renaissance building. 
Collections: Egyptian, Roman and Oriental antiquities, and European paintings from the 12th to the 19th centuries, including Leonardo's Mona Lisa.
Location: Rue de rivoli 
Opening hours: 09:00 to 18:00 every day except Tuesday
Admission: 8.50EUR. Admission is free on the first Sunday of every month.
Website: www.louvre.fr 
The Orsay Museum 
Description: This art gallery has an impressive collection of art from 1850 to 1950. 
Collections:Impressionism(Renoir,.Monet,Degas),post-impressionism (Van Gogh, Gaugin, Toulouse-Lautrec, Cezanne). 
Location: 1 rue de bellechasse 
Opening hours: Tuesday to Sunday 09:30 to 18:00, Thursday 09:30 to 21:45, closed on Mondays 
Admission: 7.50EUR. Admission is free on the first Sunday of every month.
Website: www.musee-orsay.fr
On Sundays, you can visit the following EXCEPT   _  .
the Notre Dame the Eiffel Tower L'Arc de Triomphe the Louvre Museum