If you have any kids in tow, or if you are a lover of marine life, The National Aquarium is right downtown by the Harbor. They have classic marine exhibits in addition to "touch tanks" and a lizard section.
Fell's Point consists of a large square in Baltimore full of bars and restaurants. If the weather is right, you can also take the Baltimore Water Taxi from Fell's Point to explore other parts of the city such as the Inner Harbor.
A great place for brunch. You have to get a "Roostart" after your meal, Iron rooster's homemade version of a pop tart. There are multiple locations including Canton and Annapolis as well.
Our first date, and many dates after, we would go to the local restaurants and walk around the loop in Lakefront Columbia.
Catch an O’s game, but be sure to pre-game at Pickles Pub to get the full experience. (Oh, and you’ve gotta root for mustard during the hotdog condiment race on the Jumbotron... Britney insists that it always wins)
Crabs and Boh’s on the water, what more could you ask for?