Svartifoss Waterfall, a stunning place in South Iceland
It may not be the largest, nor the most powerful, but with its black basalt columns and astonishing setting, Svartifoss may just be one of the most amazing waterfalls in Iceland.
Katia Krafft is responsible for much of what we know about volcanoes
Rainbow-colored mountains in China, a unique geological phenomena
General Sherman: the largest living organism in the world
The striking appearance of bush vipers
How did the Moeraki Boulders form?
The extraordinary Salt Pans of Maras