Where can I buy lighter fluid for my zippo?

I've spent the past hour wandering around Baltimore looking in several convenience stores, pharmacies, and corner stores looking for lighter fluid. I'm quite frustrated and if anyone in the Baltimore knows a tobacco shop, corner store, or whatever that sells it, PLEASE I would love to know. I'm living in the Mt. Vernon area very near the Wash. Monument, so places within short walking distances are preferable as I don't have a car.