I concur with what DougMD says. Fort Meade is crawling with deer, probably some big bucks too.
You might want to also check out Liberty Resevoir. You will need to register:
http://www.dnr.state.md.us/huntersguide/lnp.asp
I was driving south from Liberty Resevoir on Rt. 32 this past Sunday and saw two VERY nice bucks on the side of the road grazing. Both wallhangers.