Thirty hectares of dry and arid soil, dotted with miniature volcanoes- this is the scenery of the natural geological reservation from Buzau.
With its three volcanic cones, Kibo, Mawenzi, and Shira, Mt. Kilimanjaro is the highest peak in Africa and the highest free-standing mountain in the world at 5895 meters.
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.
With more than 100 springs erupting at an altitude of more than 4,000 metres in the Andes Mountains, these are the highest geysers in the world.
Azure Window is a natural archway in the island of Gozo, Malta and it is one of the natural wonders of Europe.
Over 2000 natural sandstone arches, an area which contains the largest concentration of arches found any where in the world,
The people of Hawaii consider this to be a sacred place and the home of the Goddess Pele.
Located on the remote island of Tanna, in Vanuatu, this is one of the most accessible active volcanoes in the world.
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.
Mount Unzen is actually a group of volcanoes, with the highest being Mount Fugen, at 1,360 meters (4,462 feet).