Thirty hectares of dry and arid soil, dotted with miniature volcanoes- this is the scenery of the natural geological reservation from Buzau.
Mount Etna is one of the most active volcanoes in Europe and is Sicily’s best-known natural attraction.
This is more than just a popular tourist destination - this is the only World Heritage Site of Northern Island.
This calcium formation is the largest of its kind. With the hot pools, white cliffs and the amazing surroundings, this is definitely one of the wonders of the world.
Azure Window is a natural archway in the island of Gozo, Malta and it is one of the natural wonders of Europe.
The volcano with the world's longest recorded period of activity: more than 2.000 years.