Nicholas Crane and a team of experts visit the Blackwater Estuary in Essex.
Neil Oliver finds out about conservation efforts on the largely uninhabited island. (R)
BBC Two Wales (Analogue)
Neil Oliver meets the man who designed the first hydrogen car in Unst.
BBC Two Scotland
8/8 Alice Roberts explores Jersey's post-war transformation into a honeymoon island. (R)
BBC Two except Scotland
A look at how Swansea's monopoly of the copper trade propelled Nelson towards victory.
BBC One Scotland
3/8 Coast travels from the jagged mountains of Arran to the English border at Gretna. (R)
BBC Two England, Northern Ireland only
The team visit the limestone headland of the Great Orme in Llandudno, north Wales. (R)
BBC Two Wales
8/8 Neil Oliver visits the bustling port of Rosyth to explore Britain's global sea trade. (R)
The experts visit a marine reserve and report on the state of the Forth Road Bridge. (R)
Alice Roberts visits the mines at Carrickfergus. In Ballintoy, she visits Bendhu House.
BBC Two except Wales
Neil Oliver meets the man who designed the first hydrogen car in Unst. (R)