Are there any museums in Stormville? Any historical landmarks?

As mentioned above, you won't find any museums in Stormville proper, but Dutchess County is filed with historic landmarks. For instance, Hyde Park is the hometown of our 32nd President, Franklin D. Roosevelt, and you can visit the Mansion there, as well as Eleanor Roosevelt's Val-Kill cottage. There's the famous Dia contemporary art museum in the nearby city of Beacon. The popular city of Poughkeepsie has the Children's Museum and the Samuel Morse homestead known as Locust Grove, which also has a beautiful garden. Fishkill is home to the Van Wyck Homestead, a well-preserved old colonial home.