Photo of the Day (Saturday 28 January 2012):
Gruta das Torres, lava tube at Pico Island, Azores (Photo: WNomad)
More on VolcanoDiscovery:
: Discover with us the fascinating natural history of Santorini volcano in Greece on this walking and study tour.
List and map of all volcanoes in Africa. Most volcanoes are located in the Great Rift Valley, but there are more.