Some suggestions:
- Ride the Staten Island Ferry and see the Statue of Liberty
- Walk along the Brooklyn Bridge for views of Manhattan
- Walk along the Highline
- Museum of Arts and Design [pay as you wish] on Thursdays 6pm until 9pm
- MoMA [free] on Friday 4pm until close time
- Rubin Museum [free] on Friday 6pm - 10pm
- Frick Collection, Neue Galerie, Noguchi Museum [free] first Friday of the month
- Pizza tasting tour of NYC (various options)
- Metropolitan Museum of Art/American Museum of National History
- Broadway ticket lottery: https://lottery.broadwaydirect.com/ or https://www.luckyseat.com/home
- Cellar Dog bar, NYC https://www.cellardog.net/; Live Jazz Sunday-Wednesday 7pm -11pm and Thursday-Saturday 7pm-2am.
In Westchester:
- Untermyer Gardens
- Sleepy Hollow https://visitsleepyhollow.com/events/; haunted hayride, The Great Jack O’Lantern Blaze, Cemetery Lantern Tour
- Lyndhurst Mansion
- The Armour-Stiner Octagon House
- Washington Irving's Sunnyside cottage