10am–7pm Brick-or-Treat: Monster Party Ages: 3 – 12Attractions Games LEGOLAND Discovery Center WestchesterYonkers
12:30pm 2pm 3:30pm Planetarium Shows at Hudson River Museum Ages: AllArt Attractions Hudson River MuseumYonkers
1–11pm Eastchester Columbus Day Carnival Ages: AllAttractions Festivals Lake Isle Country ClubEastchester
Brooklyn Paper A Festival of Learning: Brooklyn Children’s Museum to host cultural immersion for Indigenous Peoples’ Day