The beautiful cliffs of Dover are a breathtaking sight. On this stretch of the coastline chalk has not only defined and shaped the landscape but has also been the starting point of many innovators and their pioneering work.

Neil Oliver explores an inaccessible cave inlaid with beautiful stonework - who was the mystery builder? Nick shows us how to read the history of your local beach and Alice traces the story of a foreign boy washed up on the Welsh shore and how he changed the history of medicine.

Why did Alfred Nobel, founder of the famous prizes, pick the South West of Scotland as the ideal site for the world's biggest explosives factory? Nicholas Crane discovers the remarkable use for the island of Ailsa Craig's beautiful granite.

Neil Oliver discovers the network of cables under a Porthcurno beach which wrap around the world in a tale of invention, espionage and surprise. Mark Horton visits the Isles of Scilly to meet the two football teams battling it out in Britain's smallest league and Alice Roberts paints up a storm in St Ives.

Discover why Dublin is the greatest coastal city, join Mark Horton as he goes in search of the wreck of the SS Great Britain and Miranda Krestovnikoff spends a day at the races. Alice Roberts visits a remarkable house designed to see the sea from every room.

The concrete and steel of the North East coast conceal a remarkable history of religious passion that transformed Britain and touched every corner of the world. Neil Oliver explores this ancient coastal landscape and also reveals its contribution to the abolition of the slave trade.

At the outermost edge of the British Isles, we discover the struggle to survive in this harsh but stunningly beautiful myriad of islands big and small. Crystal clear water and powder white beaches conceal a history of human tragedy and joy.

Alice Roberts savours the sea salt at Maldon, Miranda Krestovnikoff goes trawling on the Thames and we discover how the houses of Parliament can claim to be on the coast. We end the series with a remarkable cricket match miles out to sea on the eerie tidal landscape at Goodwin Sands.