Steampunk Haunted House   (Photo: Chad Heird)

Halloween Extravaganza and Procession of Ghouls
The Cathedral of St. John the Divine; 10/30 at 7 p.m. and 10 p.m.; 1047 Amsterdam Ave., at 112th St.; 212-316-7540
This annual event begins with a movie screening—this year it's Nosferatu—with live accompaniment by organist Timothy Brumfield, followed by a spectacular parade created by master puppeteer Ralph Lee, the Obie-winning founder of the Village's annual Halloween parade.

Steampunk Haunted House
Abrons Arts Center; 10/28–10/29 from 6 p.m.–9:30 p.m. and 10/30–10/31 from 8 p.m.–11:30 p.m.; 466 Grand St., at Pitt St.; 212-598-0400
Victorian-era cyborgs take over the Abrons Arts Center with NYC's first Steampunk Haunted House. The historic playhouse and catacombs will be given the steampunk treatment with creepy clockwork spiders, menacing mechanized monsters, and treacherous churning gears.

The Vampire-Werewolf Summit of 2009
Comix; 10/27 at 7:30 p.m.; 353 W. 14th St., nr. Ninth Ave.; 212-524-2500
Christian Finnegan helps resolve the rift between vampires and werewolves— a war that has been going on for centuries—by moderating a summit at a comedy nightclub. There may possibly be blood, but there will most definitely be squeals (of laughter).

Outlines Halloween Readings
Housing Works Bookstore Café; 10/29 at 7 p.m.; 126 Crosby St., nr. Houston St.; 212-334-3324
Ghosts intertwine with gay culture when Tom Cardamone, Jamison Currier, and Sean Meriwether read from their short stories of tricks, treats, and Manhattan mayhem.

Halloween at Merchant's House
Merchant's House Museum; various times.; 29 E. 4th St., nr. Bowery St.; 212-777-1089
In addition to an exhibition on death and mourning in the nineteenth century, the Merchant's House Museum has plenty of spooky offerings this Halloween, including candlelight ghost tours and an 1865 funeral reenactment.

• More:
• Nightlife
• From the Oct 13, 2009 issue of New York