The Historical Society, Inc.
Serving Sleepy Hollow and Tarrytown
1 Grove Street, Tarrytown, NY
See their website at: http://www.thehistoricalsociety.net

This museum has a room dedicated to displays and artifacts related to the capture of Major Andre, which happened in Tarrytown.

I highly recommended a visit for those interested in the Arnold-Andre story. Seeing so many items that one reads about in the histories of the events is quite exciting!