If you're eager to add a little more culture to your getaway, put Bath Postal Museum on your itinerary. Check if guided tours are available or just browse around at your own speed.
You'll have sightseeing choices galore in Bath City Centre. Bath Postal Museum is a great place to kick off here, but there are many other fine places to discover. Roman Baths, Bath Abbey, and University of Bath are near the museum and will round out your day nicely.