While much of the holiday's festivities are well-known, there are some hidden secrets about St. Patrick’s Day in NYC that make this day even more interesting. Every year, the city comes alive with parades, concerts, and festivities, as residents and visitors alike come together to celebrate Irish heritage and culture. Many people already know about St. Patrick’s Day celebration in New York City but most do not know the local secrets. Keep reading for the top 10 secrets about St. Patrick's Day in NYC.