Looking for something to do on a wet and dreary day? Wander around the fascinating exhibits at Charles River Museum of Industry and Innovation. There's always an opportunity to learn a thing or two.
You'll be spoiled for sightseeing choice when staying in Waltham. Charles River Museum of Industry and Innovation is a good place to begin here, but there are lots of other interesting spots to experience. Harvard Square, Harvard University, and Boston College are near the museum and will fill in your day nicely.