The Largest City in Maryland, Baltimore is a city of neighborhoods - over 200. More than five million people visit Charm City's attractions each year: the Inner Harbor, sites in Harbor place, the National Aquarium, the frigate Constellation, the Maryland Science Center, and a wealth of museums, galleries, historic landmarks, shops, and eateries. Come see why Baltimore is nicknamed 'Charm City', and don't forget to visit Droodle Park and try some crabs.