5. Koli National Park
You cannot go wrong with the thick pine forests, clear lake waters, rare geological formations, and rolling hills of this Finnish tourist attraction. Considered one of the most famous landscapes in Finland, Koli National Park boasts of a rich network of reserves and national parks. The rolling hills in Koli National Park are remnants of mountains that formed two billion years ago. Take a nature hike and watch abundant plant species and various animals in their natural habitats.