It's no coincidence that the word "muse" is in "museum!" Helikon Castle Museum aims to educate and inspire its visitors, so squeeze it into your to-do list.
You'll have sightseeing choices galore when staying in Keszthely. Helikon Castle Museum is a great place to start here, but there are numerous other worthy places to consider. Lake Heviz, Festetics Palace, and Erotic Renaissance Wax Museum are close to the museum and will top off your day nicely.