Baltimore, Maryland, is a city replete with charm and grit. When I think of this seaport city, I can almost smell frying crab cakes in the air, see visitors walking down the picturesque cobblestone streets of Fells Point, and hear the waves crashing along the Inner Harbor.  Baltimore can boast of a very long list of top-rated, must-see attractions…one of my top kid-friendly activities is the Maryland Zoo!  This Zoo is beloved by locals and…