A visit to the Walters Art Museum is a great way to spend any day in Baltimore. Plus it's free! From paintings, sculptures and jewelry, to weapons, stained glass and countless treasures, there really is something here that would interest everyone. Make sure to take advantage of the free audio guided tour as it will add to the history lesson. Want to save a couple bucks on parking? The garage on Franklin Street is only $4 for all day parking on the weekends.