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. Organization: Town of YorktownLocation: 363 Underhill Avenue Yorktown Heights, NY, 10598United StatesSee map: Google MapsPhone:(914)962-5722 3rd Annual Rochambeau Festival - Town of YorktownDates: 05/17/202505/18/2025Time: 10 am - 4 pm 4-H Camp Shankitunk Organization: Paramount Hudson ValleyLocation: 1008 Brown StreetPeekskill, NY, 10566United StatesSee map: Google MapsPhone:914-739-0039 Ancient Aliens LIVEDates: 11/08/2025Time: 07:30-09:30 Organization: Stone Ridge OrchardLocation: 3012 State Route 213Stone Ridge, NY, 12484United StatesSee map: Google MapsPhone:845-687-2587 Annual Spring Wassail at Stone Ridge OrchardDates: 05/03/202505/04/2025Time: 2 pm Bethel Woods Center for the Arts Boscobel House and Gardens Brick House Museum Caramoor Center for Music and the Arts Organization: Catskill Mountain Railroad-Kingston StationLocation: 55 Kingston Plaza Rd P.O. Box 1415Kingston, NY, 12401United StatesSee map: Google MapsPhone: (845) 332-4854 Catskill Flyer: Spring & Summertime Rides - Catskill Mountain RailroadDates: 04/26/202505/03/202505/10/2025Show more datesHide these dates05/17/202505/24/202505/26/202505/31/202506/07/202506/21/202506/28/202507/04/202507/05/202507/11/202507/25/202507/26/202508/01/202508/02/202508/08/202508/15/202508/22/202508/23/202508/29/202508/30/202509/01/202509/06/202509/07/202509/13/202509/14/2025Time: Trains Depart at 11 am, 1 pm, & 3 pm Chiku Awali African Dance, Arts & Culture, Inc. Connecticut Maritime Heritage Festival Danbury Railway Museum DIGIVATIONS CAMP DEMIGOD INSTITUTE at Cornell University EduRaptor - Personalized Online Learning for K-12 Edward Hopper House Museum and Study Center EnthuZiastic Inc. Fenimore Art Museum Fenimore Farm & Country Village 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 Organization: Location: 57 2nd StreetTroy, NY, 12180United StatesSee map: Google MapsPhone:5182727232 x111 Historic Hart-Cluett House ToursDates: 04/18/202504/25/202504/26/2025Show more datesHide these dates05/02/202505/03/202505/09/202505/10/202505/16/202505/17/202505/23/202505/30/202505/31/202506/06/202506/07/202506/13/202506/14/202506/20/202506/21/202506/27/202506/28/202507/04/202507/05/202507/11/202507/12/202507/18/202507/19/202507/25/202507/26/202508/01/202508/02/202508/08/202508/09/202508/15/202508/16/202508/22/202508/23/202508/29/202508/30/202509/05/202509/06/202509/12/202509/13/202509/19/202509/20/202509/26/202509/27/202510/03/202510/04/202510/10/202510/11/202510/17/202510/18/202510/24/202510/25/202510/31/202511/01/202511/07/202511/08/202511/14/202511/15/2025Time: 3:00pm, 12:30pm, 2:00pm Historic Hudson Valley Historic Huguenot Street Historic Red Hook- NY Hudson Valley Learning Center-New Paltz Hyde Park Train Station Museum Organization: Catskill Mountain Railroad-Kingston StationLocation: 55 Kingston Plaza Rd P.O. Box 1415Kingston, NY, 12401United StatesSee map: Google MapsPhone: (845) 332-4854 Ice Cream Express - Catskill Mountain RailroadDates: 05/25/202506/01/202506/08/2025Show more datesHide these dates06/15/202506/22/202506/29/202507/06/202507/27/202508/03/202508/24/202508/31/202509/08/202509/15/2025Time: Trains Depart Westbrook Station at 11 am, 1 pm, & 3 pm Inviting Wildness Kingston Multicultural Festival Knox's Headquarters State Historic Site Location: Muriel Morabito Community Center 29 Westbrook DrCortlandt Manor, NY, 10567United StatesSee map: Google MapsPhone:914-734-1050 Memorial Day Ceremony at Morabito Community CenterDates: 05/23/2025Time: 1 pm Millbrook Library Mount Gulian Historic Site Organization: Location: 145 Sterling StBeacon, NY, 12508United StatesSee map: Google MapsPhone:(845) 831-8172 Mount Gulian Opening DayDates: 04/27/2025Time: Tours of the historic home, 18th century Dutch barn, and heritage garden will be given at 12pm, 1pm, 2pm and 3pm. 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 PLUS Polish Festival Organization: Westchester CountyLocation: 450 Saw Mill River RoadArdsley, NY, 10502United StatesSee map: Google MapsPhone:(914) 864-PARK Polish Heritage CelebrationDates: 05/18/2025Time: 12 pm to 6 pm 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 Organization: Village of Wappingers Falls Location: 2582 South AvenueWappingers Falls, NY, 12590United StatesSee map: Google MapsPhone:(845)297-8773 Sports Museum of Dutchess County Opening Day - Village of Wappingers FallsDates: 05/05/2025Time: 1 pm 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 Peekskill Museum The Rye Historical Society 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 Organization: Hudson River MuseumLocation: 511 Warburton AveYonkers , NY, 10701United StatesSee map: Google MapsPhone:914-963-4550 Yonkers Arts Weekend at Hudson River MuseumDates: 05/17/2025Time: 11 am - 5 pm 10+ Terrific Transportation Museums in New York State Visiting Lockport Cave & Underground Boat Ride