Well be careful about parking and stuff right now; the Baltimore Grand Prix is on. I'm avoiding the city at all cost. That said, here's a decent map.
Where I work in the city, I tend to get drinks at Pratt Street Alehouse and Alewife. I usually buy beer outside the city though.
Primary: Lemon Cream Ale, Rye Cali Common, Rye/Wheat Wild Pale Ale, Sour Stout, Farmhouse Spiced Cyser, Wild Melomel with Ghost Pepper / Mango / Peach, Wild Oatmeal Stout Collab with Oliver Ales
Secondary: Flanders Red, Neo-Kriek
Bottled: Of Note: Imperial Chili Stout, Single Hop Mosaic Wild IPA, Single Hop Galaxy Wild IPA, and Wild Cali Common with Ghost Pepper / Mango / Peach
Kegged: Smoked Red with Juniper, Spiced Brown Ale (Autumn Warmer)