A day trip to Giverny is easy. The SNCF train from Gare Saint-Lazare takes you to Vernon/Giverny in 45 minutes. Rent a bike across from the train station and take your time pedaling to Giverny. The biggest piece of advice: buy your tickets in advance to Monet's house. Follow the online ticket links at Foundation Claude Monet. Twenty minutes before departure in the direction of Rouen Rive Droite, the departing platform (voie) is posted. While you wait, enjoy the updated three-level shopping mall at Gare Saint-Lazare. If you want to "powder your nose" the "2theloo" spot is open from 6 am to midnight and is constantly being wiped down and…