The African savannah

The largest contiguous savannah in the world is in Africa. It covers about one-third of the continent.

Related extras

The World of the seas

Seas and oceans cover almost three-quarters of the Earth’s surface. 97.5% of the total...


Within the lethal embrace of deserts, life can only flourish because of large springs. Here...

The Earth’s magnetic field

The Earth’s magnetic North and South poles are located near the geographic North and...

Natural gas and petroleum

Natural gas and petroleum are among the most important sources of energy and raw materials today.


An earthquake is one of the most devastating natural phenomena.

Seafloor map

The boundaries of tectonic plates can be seen on the seafloor.

The phosphorus cycle

The phosphorus cycle describes the movement of phosphorus through the lithosphere,...


A fjord is a long, narrow inlet with steep sides, created in a valley carved by...

Added to your cart.