The legendary Genghis Khan once ruled the largest empire the world has ever known. What was the secret behind the success of the Mongol horsemen? Even today, some Mongols live a nomadic life and call a tent their home. At the famous Nadaam festival, we meet amazingly talented archers and wrestlers. We also get to know why it is the children who ride the racehorses.

A journey to Mars or Saturn would be a dream come true for many astronauts. From launch pads, such as those at Baikonur, rockets lift off into space. How do astronauts move in zero gravity? Why do they wear spacesuits and what do they eat when in the spaceship?

In our modern times, horses are amongst our best friends, whereas in former days they mainly served as a working force. Join us for a visit to a Cattle Ranch in the USA where Cowboys on Quarter Horses look after herds of cattle. These Cowboys are experts on horses and masters in riding them.

The body of the blue whale is so enormous that it can only be fully observed from the air. We find the friendly giants from the sea highly fascinating. However, many secrets about these marine mammals still remain to be discovered. To whom is the humpback whale singing? And how intelligent are dolphins really?

Once the Earth was ruled by colossal dinosaurs. Whilst giant sauropods were harmless herbivores and peacefully fed on plants, other dinosaur species like Tyrannosaurus Rex were ferocious predators. Yet, how powerful those enormous reptiles may have been: their mighty reign was terminated forever by an enormous catastrophe.

Up to now, only twelve Apolloastronauts have stepped on to the moon. Since then, scientists have discovered how the moon was formed, why it has endless craters and why a thick layer of dust covers its surface.

Since Life has existed on Earth, new species have emerged whilst others have become extinct. What kind of place was it where life first appeared? How does evolution affect the development of species? What is a living fossil? And why are so many animal species of our time threatened by extinction?

In the eternal dark of the deep sea, it is ice-cold and water pressure is extremely high. Mysteriously, there are blinks and flashes of light everywhere, as some of the deep sea inhabitants produce their own light. A strange world full of bizarre creatures and curious structures, such as the black smokers and the wondrous populations that thrive around them.