Paris, world capital of art and culture, gathers some of the most famous museums and monuments in the world. Like all the world's great capitals, Paris lives at a fast pace, by day, by night and especially at rush hours. Bear in mind that museums and monuments are often less crowded during the week. Sights that should not be missed include: The Louvre and the Musee d'Orsay. Visit any of the many others according to your tastes and interests: the Musee Picasso, Musee Rodin, Musee Carnavalet, Musee Marmottan and the Arab Institute are just a few. Essential Paris monuments are the Eiffel Tower, Notre-Dame cathedral, the Arc de Triomphe or the Grande Arche de la Defense.