An earth-shattering journey into the hidden world, beneath our feet. 4,000 miles down, the core of the Earth is a strange and bizarre place that is utterly unlike the surface.
How much do you know about the landmasses that make up our planet?
The seven continents of the world are made up of four continuous landmasses.
Super Volcano whether Yellowstone could turn in to a super volcano.
Life on Fire is an earth shattering series.
Sir David Attenborough talks about giant underground caves.
See pictures of some of the world's most amazing mountains.
Massive tectonic forces have sculpted and re-sculpted our world in a never-ending journey.
Richard Hammond investigates the workings of Earth.