meetup groups Meetup.com Helps groups of people with shared interests plan meetings and form offline clubs in local communities around the world.

Toronto photography meet-up group

Toronto photography meetup group – a collective of amature and professional photographers from the gta and beyond www.tpmg.ca

For New York

A really cool, as-yet-unknown, Meetup venue is the The Coffee House | A Private Club
Destination ( http://destinationbarnyc.com/ ) is a popular place for meetups.
A lot of Meet-Up groups also use the Citi Atrium. http://www.nycgo.com/venues/atrium-at-citigroup-center.
meetup groups new york

For Twin Cities Minnesota

Minneapolis meetup groups