Halloween Pumpkin Flotilla ~ October 28th The annual Halloween Pumpkin Flotilla at Charles A. Dana Discovery Center, will take place on October 28th between 4:00 and 7:00pm. This is a fun, family, free event located inside the Park at 110th Street between Fifth Avenue and Lenox Avenue. Here is the schedule of events. Follow on Eventbrite Click to share on Facebook (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Instagram (Opens in new window) Related