Btw, in relation to the Playbypost for the Baltimore game?
The Baltimore Police Department has over 4000 employees. Civilians, Police Officers, and aux Police officers.
There's no way that any random cop knows the personal motorcycle of any other random cop.
Wait - there is a PBP Baltimore game? Cool. And it is certainly possible that an officer could know another officer's 'ride', particularly if they talk at all or both happen to be bikers.
Now back to the regularly scheduled discussion:
Sigma, whereabouts in B-more are you? I live up in Finksburg. Anyway, the "Weird Maryland" book should provide some inspiration.
What else? Obviously there is Black Aggie, but maybe the statue seems so bad because of its relation to the individual that was buried under her? More info here:
http://lib.umd.edu/archivesum/actions.DisplayEADDoc.do;jsessionid=C42C770CA95E56B7FE966D09B3C64B4B?source=MdU.ead.histms.0012.xml&style=eadFort McHenry would be a great site for some stories, and Fells Point as well. Locust point was where the original Port of Baltimore was, and could be used heavily. Also, maybe the fire was started when something trapped here got loose.
Baltimore has a lot of sites and monuments and a lot of 'back alleys' as well. Many things could lose themselves here. According to Wikipedia, at least, it was once the second largest port for immigration.
So anyway, there are lots of possible connections and a number of 'secret' facilities around too. There is a definite FBI presense - their building is over in Security.
Let's not forget, also, that Gettysburg is right up the road as are some other battlefields. Harper's Ferry isn't far either, and Camp David sits int he middle of one of our parks (not necessarily supernatural, but could be interesting to bring into play).