For a memorable history lesson, check out the crumbling remains of 12th Century Ruins of the Otepaa Bishops Castle and imagine how it would have looked in its heyday.
To explore this once-important structure, you'll need to find your way to Otepaa. There are plenty of other worthwhile attractions in this area, such as Otepaa Seikluspark, Pühajärv, and Puhajarv.