For a memorable history lesson, visit the crumbling ruins of Ruins of the Viljandi Order Castle and try to imagine how it would have looked in its glory days.
When you've finished exploring this Viljandi once-important structure, why not check out Viljandi Musical Instrument Park, Lake Viljandi, and Viljandi Lossipark? They're not too far from Ruins of the Viljandi Order Castle and also a favorite with many tourists.