If you don't get a chance to make it to Hue (some 300 miles away), go instead to this shrine to the imperial city's cuisine. Emperor may just be Hanoi's most beautiful restaurant, set in a villa with a two-story pagoda-style outdoor pavilion strung with twinkling lights. Hue specialties served here include a rice pancake stuffed with toothsome morsels of pork. Other main courses include savory eggplant with garlic served in a clay pot, and a delicious tangle of rice vermicelli with crabmeat, peppers, seaweed, and egg.