Croagh Patrick to Beal Derrig

Coast ventures to brand new territory, the storm-battered Atlantic shore of Ireland's majestic north west coast. r>
Local legend says that Clew Bay has 365 islands, one for each day of the year; Nick Crane investigates how this astonishingly beautiful and unusual landscape was created when Ireland was covered in ice.

Neil Oliver discovers how the infamous 16th-century pirate queen Grace O'Malley turned her coastal home into an impregnable fortress.

And Alice Roberts unearths the remarkable remains of the oldest farm in the British Isles, a complex system of walls and houses laid out before Stonehenge. These Stone Age ruins have been buried in the peat for over 5,000 years.