Adrenaline-high is guaranteed when you go rafting in Unesco-protected Tara River Canyon, which is second longest in the world after the Grand Canyon. Formed of multiple mountain streams the water is cold, and so clean that you drink straight out of the river.
The most striking thing about Tara is its' strong turquoise color, which seems almost unreal. Despite being up to 13m deep at times, the visibility to the bottom is just unbelievable.
The other thing besides having a great time rafting (my first, but definitely not the last time) is the breathtaking nature: flowers, caves, waterfalls and birds can be admired along the way while basking in the sunshine and resting after a fast, spinning rapid. One of the best two and a half hours I've spent and the cost is ridiculously low also, even with camping and half board of delicious home-cooked food the cost is less than half what one would normally pay back home.