If you want to add a little more culture to your getaway, put Salt Museum on your to-do list. Check if there are any guided tours or simply roam around at your own speed.
You'll have no end of sightseeing choices when in Liverpool. Salt Museum is an ideal place to kick off here, but there are lots of other fine attractions to visit. Museum of Science and Technology, Erie Canal Museum, and Carrier Dome are not far from the museum and will top off your day nicely.