here are the two sites for the places..
http://www.crossfitnyc.org/
http://crossfitbrooklyn.typepad.com/
and here is the pdf of workouts that I've done and can say they will kick you butt.
http://www.crossfit.com/journal/libr..._new_girls.pdf
Edit: they post different workouts than these everyday. these are just well known ones that they have as a staple.