Ferry departs Battery Park and includes immigration museum at Ellis Island; first ferries start ~8:30–9:00 — book tickets early (Statue access limited).
Walk the elevated park for unique views and grab snacks at Chelsea Market; High Line open daily (hours vary seasonally), Chelsea Market 10:00–20:00 typically.
For the ball drop in Times Square arrive very early if you plan to watch from the plaza (officially miles-long queuing). An easier option is a rooftop bar party with city views (many bars open late; check venue event pages).
Helicopter tours depart early and offer unmatched views of the Canyon; bus tours are longer (8–12 hours) but more economical — check operator schedules.
The Neon Museum preserves historic Vegas signs (guided tours) and the Mob Museum offers US crime and enforcement history; both have daytime opening hours — check times and book ahead.
USS Midway offers naval aviation history (typically open 10:00–17:00) while Balboa Park houses museums, gardens and the San Diego Zoo (zoo opens ~9:00). Choose based on interest.