Things to do this weekend for (mostly) free
Word is, there are going to be up to 2 million people watching the big parade on Saturday, and maybe another 2 million watching the Marathon Sunday, so this would be a terrific weekend to enjoy the wonders of public transportation (parade here, marathon here (pdf)).
The Greenwich Village Halloween Parade Line up in costume on 6th between Spring and Canal 6:30-8:30 to march, or between Spring and 21st after 7 to watch.
Also, a Greenwich Village children's parade and local parades in Jackson Heights, Cobble Hill, Park Slope, Riverside Park, Washington Market Park, Battery Park City, Brooklyn Heights, Fort Greene, Ditmas Park, and Williamsburg (link).
Carnival of Carnage in Clinton Hill
Halloween Festival at the City Reliquary in Brooklyn
Theater for the New City costume ball, costume required ($20)
Crypt tours at the Cathedral of St John the Divine
Halloween on the Intrepid, free if you're wearing a costume
Canoe the Bronx River
World's largest block party, fifteen blocks of Madison between 42-57
Halloween events at local parks
Sixth Avenue Autumn Fair, between 34-42
Union Square Broadway Festival, between 17-23
Dia de los Muertos at St Mark's on the Bowery
Make tin lanterns at Dyckman House
The Chocolate Show Chocolate nirvana, with demonstrations, samples, and previews of songs from the new Charlie and the Chocolate Factory opera. $30 at the door, two free kids with every adult. Additional kids $8.
America's Got Talent, or at least they think they do - auditions for Season 5 at the Javitz Center all weekend
Steampunk Haunted House at Henry Street ($25/$10 for students)
The Catapult at the New York Hall of Science will chuck your pumpkin for you
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