What fun things can people do in Estonia?

I would say mushrooming and picking berries, but you probably won't think it's fun, so I would suggest partying, but if you are asking this question, then you probably don't know that many Estonians with who to party.
If you want to do sth that is special for Estonia, go to the nature. But if you want to enjoy the holiday, then go to a resort... there are a lot of things to do, but it depends of the person how fun you will find it.