The New York Dance Parade is one of the most unique and fun parades I know. It is one long dance festival that winds its way through Greenwich Village. And this year it is scheduled for May 17, 2014. Learn more at their site - http://danceparade.org/EE/
Their mission is "To promote dance as an expressive and unifying art form by showcasing all forms of dance, educating the general public about the opportunities to experience dance, and celebrating diversity of dance in New York City by sponsoring a yearly city-wide dance parade and dance festival."
Groups can register now on the site.