Organization: National Park ServiceLocation: 1849 C St NWWashington, DC, 20240United StatesSee map: Google MapsPhone:202-208-6843 2025 Free Entrance Days in the National ParksDates: 04/19/202506/19/202508/04/2025Show more datesHide these dates09/27/202511/11/2025Time: See website for details. 4-H Camp Shankitunk Bethel Woods Center for the Arts Boscobel House and Gardens Brick House Museum Caramoor Center for Music and the Arts Chiku Awali African Dance, Arts & Culture, Inc. Connecticut Maritime Heritage Festival Danbury Railway Museum DIGIVATIONS CAMP DEMIGOD INSTITUTE at Cornell University Organization: Location: 57 2nd StreetTroy, NY, 12180United StatesSee map: Google MapsPhone:518-272-7232 x111 Dress in the Gilded AgeDates: 02/15/2025Time: 1:00PM EduRaptor - Personalized Online Learning for K-12 Edward Hopper House Museum and Study Center EnthuZiastic Inc. Fenimore Art Museum Fenimore Farm & Country Village Organization: Stamford Museum & Nature CenterLocation: 39 Scofieldtown RoadStamford, CT, 06903United StatesSee map: Google MapsPhone:2039776521 First County Bank Maple Sugar Fest Sundays! - SMNCDates: 03/02/202503/09/202503/16/2025Time: 10 am - 2 pm Fort Ticonderoga Franklin D. Roosevelt Presidential Library and Museum Friends of Clermont Friends of Harmony Hall Germania of Poughkeepsie, Inc Gomez Mill House Hart Cluett Museum Historic Hudson Valley Historic Huguenot Street Historic Red Hook- NY Hudson Valley Learning Center-New Paltz Hyde Park Train Station Museum Inviting Wildness Kingston Multicultural Festival Knox's Headquarters State Historic Site Millbrook Library Mount Gulian Historic Site Museum Village of Old Smith's Clove New Castle Historical Society and Museum New Windsor Cantonment State Historic Site Olana State Historic Site Old Croton Aqueduct State Historic Park Pawling Free Library Organization: Hudson River MuseumLocation: 511 Warburton AveYonkers , NY, 10701United StatesSee map: Google MapsPhone:914-963-4550 Planetarium Show: Legends of the Night Sky - Perseus and Andromeda at Hudson River MuseumDates: 02/15/202502/16/202502/17/2025Show more datesHide these dates02/19/202502/20/202502/21/202502/22/202502/23/2025Time: 12:30 pm Organization: Hudson River MuseumLocation: 511 Warburton AveYonkers , NY, 10701United StatesSee map: Google MapsPhone:914-963-4550 Planetarium Show: The Sky Tonight at Hudson River MuseumDates: 02/15/202502/16/202502/22/2025Show more datesHide these dates02/23/202503/01/202503/02/202503/08/202503/09/202503/15/202503/16/202503/22/202503/23/202503/29/202503/30/2025Time: 2 pm Organization: Hudson River MuseumLocation: 511 Warburton AveYonkers , NY, 10701United StatesSee map: Google MapsPhone:914-963-4550 Planetarium Show: We Are Astronomers at Hudson River MuseumDates: 02/15/202502/16/202502/22/2025Show more datesHide these dates02/23/2025Time: 3:30 pm PLUS Polish Festival Poughkeepsie Day School Pride of the Hudson Putnam History Museum- NY Ron Campbell - Beatles Cartoon Art Show Saint Paul's Church National Historic Site Southeast Museum- Brewster, NY Staatsburgh State Historic Site Stony Point Battlefield State Historic Site SUNY Ulster The Ashokan Center The Matthewis Persen House Museum and Cultural Heritage Center The Neversink Valley Museum of History and Innovation The New York Ballet Institute The Rye Historical Society Organization: Location: 87 Clermont Avenue Clermont CottageGermantown, NY, 12526United StatesSee map: Google MapsPhone:518-537-6622 Those Who Served: The Enslaved and Paid Servants of ClermontDates: 02/15/2025Time: 2 pm Time and The Valleys Museum Tutoring Club -Armonk USS SLATER Van Cortlandt Manor Vanderbilt Mansion National Historic Site Washington’s Headquarters State Historic Site Wilderstein Mansion William Bull and Sarah Wells Stone House Association 10+ Terrific Transportation Museums in New York State Visiting Lockport Cave & Underground Boat Ride