Peruse the large variety of visual and auditory resources at Brewster Ladies Library. It's bound to increase your appreciation of the world we live in.
You're spoiled for sightseeing choice when staying in Brewster. Brewster Ladies' Library is a good place to kick off here, but there are plenty of other fine spots to explore. Cape Cod Museum of Art, Cape Cod Museum of Natural History, and Ocean Edge Golf Club are near the collection of books and and will cap off your day nicely.