10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Animals Community Hallock State Park PreserveRiverhead
10 am – noon AMSEAS Beach Walk & Cleanup at Hallock State Park Environment Free Hallock State Park PreserveRiverhead
10 – 11:30 am Cold Spring Harbor Laboratory Public Tours Outdoors Tours Cold Spring Harbor LaboratoryCold Spring Harbor
10 am – 4:30 pm Heritage Farm & Garden Thanksgiving Harvest Festival Outdoors Heritage Farm and GardenMuttontown