Paris rewards a short visit if you prioritize ruthlessly. The Eiffel Tower and Arc de Triomphe frame the city's grand axis and remain the fastest way to feel its scale, while the Musee du Louvre delivers centuries of art in a single stop few other museums can match. Add Sainte-Chapelle for stained glass that rivals any cathedral, and Montmartre for the hillside village atmosphere the rest of the city lacks. Round it out with a ride on the Paris Metro itself, an experience in its own right, and a stroll through Luxembourg Gardens for the calm between landmarks. Together these cover Paris's monumental, artistic, and everyday sides in one efficient loop.