Explore the charming Le Marais district and then stroll over to Île de la Cité to admire Notre-Dame Cathedral's facade, currently under renovation but still impressive from outside.
Enter The Louvre at opening time with timed tickets. Focus on the Denon Wing to see famous masterpieces such as the Mona Lisa and Winged Victory of Samothrace.
Visit Galerie Vivienne for boutique shopping, then stroll the peaceful Palais Royal Gardens, followed by a quick visit to Bibliothèque Richelieu (outside views).