The most iconic of Parisian food stores is expanding globally, but its flagship is still behind the Madeleine church. Established in 1886, Fauchon sells renowned pâté, honey, jelly, tea, and private-label Champagne. Expats come for hard-to-find foreign foods (think U.S. pancake mix or British lemon curd), while those with a sweet tooth make a beeline to the pâtisserie for airy, ganache-filled macarons. There's also a café for a quick bite. Be prepared, though: prices can be eye-popping—marzipan fruit for €95 a pound?