2/2 A closer look at the stone circle and the ancient civilisation that flourished around it.
Maggie Aderin-Pocock explores our chances of finding life elsewhere in the universe.
15/18 How it was hoped we would be able to observe a feeding supermassive black hole in action.
2/3 A portrait of the New Forest, revealing the secrets of a unique place as old as England.
5/12 Fred admires the engineering, architectural and decorative skills of the Victorians.
1/3 One year amid the wilderness of Snowdonia, through the eyes of those who live there.
5/6 Tessa Dunlop uncovers the story of how Hitler's bombers could have drowned London.
8/8 The city is built to keep untamed nature out, but nature cannot be pushed away.
3/3 Featuring an amazing sequence of an osprey hunting over open water.
8/10 A conservationist tries to stop wild beavers from causing property damage.