“Jazz Lunch” Free performances come to Bogardus Plaza, Hudson Street, between Chambers and Reade, each Wednesday in October, from 12:30 pm to 2 pm., presented by Friends of Bogardus Plaza.

Scavenger hunt Also from Friends of Bogardus Plaza, The Great Tribeca Scavenger Hunter returns for the 10th year on Oct. 18, from 3 to 4:30 pm. Teams race around the neighborhood searching for clues, completing missions and answering trivia questions to win prizes totaling over $1,800. Proceeds benefit the plaza. Go here to buy tickets.

The Longest Table Gotham Park hosts this free community potluck on Sunday, Oct. 18, from 1 to 3 pm, bringing together people from all the Downtown neighborhoods. Guests are invited to contribute a dish, drink or centerpiece to share at the event. Gotham Park is located beneath the Brooklyn Bridge at 1 Rose St. Go here for more information and to register.

Spooktacular brings a high-flying circus of vampires, skeletons, and acrobatic cats to the Tribeca Performing Arts Center on Sunday, Oct. 18, at 3 pm. Go here for tickets and more information.

Lunch Box, the pop-up food fair sponsored by the Downtown Alliance, returns to 28 Liberty Street’s Fosun Plaza on Wednesday, Oct. 7, from 11:30 am to 2:30 pm. Ten of Lower Manhattan’s newest restaurants will offer their dishes for $10.

Barn dance Swing and square dancing come together in Wagner Park on Saturday, Oct. 17 at 5 pm. Brooklyn Contra, a non-profit organization, teaches a style of community folk line dancing, accompanied by live music.

Remembering the original World Trade Center In its permanent collection, the Skyscraper Museum offers photographs, film, and models of the tTwin Towers, covering both its history and the rebuilding of the site after 9/11. A mural 25-feet long and 11-feet tall includes timelines, construction views and master plans.

Art from other planes of consciousness “Conduits of the Unseen: Women Artists Imagine Other Worlds” brings together 17 20th century artists whose other worldly influences included alternate realities, spirits, cosmic forces, and more. The exhibition is anchored by the work (including the above painting) of Paulina Peavy, an artist known for channeling her inspiration through a spirit guide. Sept. 9 to Oct. 31 at Andrew Edlin Gallery, 292 Broadway, 2nd Floor.