Julia Bradbury follows in the footsteps of Alfred Wainwright by walking across northern England.
Here are some of the most memorable moments to look out for in the natural science shows.
You might be surprised…
Humpback whales can eat one tonne of capelin every day.
The wildlife of the UK's four seasons: Spring, Summer, Autumn and Winter.
Explore the most extreme places of earth with Natural History Sundays.
What's more wild than our oceans?
Natural history has come to Yesterday. Watch it throughout the Easter weekend.
Britain in the 1950s was still trying to shake off Victorian attitudes to sex.