Mount Etna is one of the most active volcanoes in Europe and is Sicily’s best-known natural attraction.
The volcano with the world's longest recorded period of activity: more than 2.000 years.
One of the world's most dangerous volcanoes, with many people living near its crater.
The largest glacier in Iceland, covering 8% of the country's territory.
Measuring more than 60 kilometers in length, this is the largest glacier in continental Europe.
The largest glacier in the Alps, with a length of 23 kilometers and an area of 120 square kilometers.
One of the largest natural caves in France, discovered in 1880.
A group of two caves, home to the oldest complete skeleton in Britain.
