If you have more than a few days to explore Paris, why not consider peeking outside the city limits for a few hours? A wide network of commuter and regional trains puts several breathtaking destinations within easy reach of the city. From the Chateau de Versailles to Claude Monet's lyrical gardens at Giverny and medieval ruins in the quaint town of Provins , plenty of Paris day trips can be added to your itinerary.