Triglav National Park, named after its highest mountain, covers 4% of Slovenia's total land mass.
The spectacular rock formations of Göreme National Park are known as "fairy chimneys".
Killarney National Park was formed in 1932, making it Ireland's oldest national park.
Located in Massif Central, the Cévennes National Park covers 321,380 hectares.
Écrins National Park is a beautiful region of mountains and glaciers covering an area of 91,800 hectares.
Oulanka National Park is home to the most impressive waterfalls in Finland.
Gargano National Park is home to several protected areas, including a marine reserve and a forest.
Snowdonia National Park is home to the tallest mountains in Wales and has over 350,000 people climbing its peaks every year.