Empire Fulton Ferry is a small park situated on the waterfront just to the east of Brooklyn Bridge. The small park was original its own state park, but in 2010 was incorporated into the existing Brooklyn Bridge Park to the west.
Amy and the Doctor return to the TARDIS in order travel to where Rory was taken in episode 7x05 "The Angels Take Manhattan".
Source: The Doctor Who Locations Guide
Fusco and Carter meet with Finch in the park and he tells them about Kara in episode 2x13 "Dead Reckoning".
Source: Person of Interest — Wikia
A superhero with two hacksaws is interviewed by the news.
Kick-Ass meets Red Mist under the bridge.
Emily Connor and Adam Harris kiss while riding the carousel in the video of their final happy day together in episode 2x02 "Already Gone".