Hammond Castle – Historic museum perched on the MA coast at the intersection of science, art and history
July 26 @ 4:00 am - December 31 @ 3:00 am
https://www.hammondcastle.org/
The Museum is open daily from April through the end of December from 10 am to 4:00 pm with the last admission at 3:15 pm on most days. *The Museum will close a half hour early at 2:30 pm on the following dates: May 14, 25, & 31; June 8, 18, 28, & 29; July 27 & 28; August 18, 23, & 25; September 8, 20, 22, 25, & October 20 & 27.