Dedicate your third day to exploring the historical landmarks of the Latin Quarter. Start with a visit to the stunning Notre-Dame Cathedral, a masterpiece of Gothic architecture. Climb to the top of the towers for panoramic views of the city. Next, head to the nearby Sainte-Chapelle, known for its breathtaking stained glass windows. Afterward, wander along the banks of the Seine River and admire the iconic Pont Neuf, the oldest standing bridge in Paris. In the evening, indulge in a traditional French dinner at a charming restaurant overlooking the river.