[Supporters listen to a speech by Afghanistan's presidential candidate and former foreign minister Zalmai Rassoul during a campaign rally at a stadium in Herat, Afghanistan on Sunday. Image via AP]

In April 2012, researchers at the New England Complex Systems Institute mined the "emotional content" of 600,000 tweets—collected over a two-week period—to figure out the happiest places in New York. According to the map above, some of the worst places in the city include JFK, Penn Station, and basically any cemetery, while the best (or happiest) are Central Park, the Botanical Garden and surprisingly, Times Square. (Don't Tweet from cemeteries, ever.)