Paris is known as the City of Light and is famous for its art, architecture, and world-renowned landmarks. Some of the most notable sites include Notre Dame Cathedral, the Eiffel Tower, the Louvre museum, Arc de Triomphe, Sacré-Cœur basilica, and Champs-Élysées. The city is also home to beautiful parks, gardens, and former royal palaces like Versailles outside the city.