Movies Filmed at Calvary Cemetery34-02 Greenpoint Avenue, Long Island City, NY 11101, USA
With over 3 million burials, Calvary Cemetery is the largest graveyard in the United States. The cemetery was created by the Old St. Patrick's Cathedral in 1847 when their original cemetery on Mulberry Street filled up. By 1867 the original section of the cemetery to the west was completely full and eventually three new sections were added.
Whitaker Family Grave
Finch takes Reese to the cemetery where Theresa Whitaker was supposedly buried in episode 1x02 “Ghosts”.
Wallace Negel's Grave
Reese investigates Ulrich Kohl's stash site at the graveyard in episode 1x08 “Foe”.
Shaw wakes up in the back of an ambulance and talks to Reese and Finch in episode 2x16 “Relevance”.
Source: Person of Interest — Wikia
Cal Beecher's Grave
Carter visits Beecher's grave and talks to Alonzo Quinn in episode 3x02 “Nothing to Hide”.