12:30–1pm One World, One Sky: Big Bird’s Adventure (Planetarium) Ages: 3 – 8Environment Hudson River MuseumYonkers
2–4pm Ashokan’s Spring Explorations Program: Indigenous History Day Ages: AllCommunity Cultural The Ashokan CenterOlivebridge
Brooklyn Paper From Fireworks to ‘Seinfeld Night,’ Brooklyn Cyclones summer schedule promises something for everyone