As imperial as it can seem, 21st-century Lisbon envelops travelers with well-heeled ease. You won’t find many people in a hurry—the ladies (and gentlemen) lunch, the lovebirds saunter. Between one and three in the afternoons is the old-school sesta, as the Lisboetas call their midday break. The message from this town is, whatever you have to do here, take your time. Here’s what to do—and where to stay—in Portugal's capital city: Belem Restaurante Tavares The Gulbenkian Museu N...