U.S. News Insider Tip: If you're in the area, check out the Grand Mosquée de Paris, next to the Jardin des Plantes. It's a beautiful mosque with a hidden-away courtyard, and there's an atmospheric ...

With their bright yellow awnings and sagging iron shelves, the Gibert Jeune bookstores, which sell cheap secondhand books, have been a fixture of the Latin Quarter in Paris for over a century, a ...