This place has one of the hottest rooms I've ever been in. The combination of barely being able to breathe from the heat to immediately jumping into a freezing murky pool is addictive. There's also a great roof patio for a change of scenery. A good old school New York spot.
Webster Hall is a solid venue, and a frequent stop for many great bands on their rise to glory. If you've only got a few nights in the city, chances are a great act will be playing here.
An hour away from NYC, there lies a summer camp on a pristine lake which was abandoned 15 years ago. I cant tell you where this is, but some research can lead you to the right place.
This is a great park, from free concerts to summer to the Brooklyn flea markets over the weekend or take the ferry across the river. Rain or shine I never get sick of that view.