Museums aren't all cobweb-covered cabinets and boring exhibits. Visit Chocolate Museum Vienna and be educated and entertained. Each piece has a story waiting for you to discover.
You'll have no end of sightseeing choices when staying in Liesing. Chocolate Museum Vienna is a good place to begin here, but there are numerous other fine spots to visit. Schönbrunn Palace, Vienna State Opera, and Hofburg Imperial Palace are close to the museum and will fill in your day nicely.