"At the Green-Wood Cemetery, Halloween is any day you want it to be. But if you’re looking to have an especially frightening time, explore Green-Wood After-Hours. You’ll visit some famous graves and get to see the creepy catacombs, which are usually closed to the public. If you’re too afraid to party with the dead at night, join a historian for one of their Spirited Strolls on Saturday or Sunday morning to hear tales of the bizarre spirits and souls buried around you. " - neha talreja