England, East Sussex, Birling Gap, View passed costguard cottages showing chalk cliffs and pebble beach.

England, East Sussex, Birling Gap, View passed costguard cottages showing chalk cliffs and pebble beach.

England, East Sussex, Birling Gap, View passed costguard cottages showing chalk cliffs and pebble beach.

England, East Sussex, Birling Gap, View passed costguard cottages showing chalk cliffs and pebble beach.

Fortification built on the end of Hurst Spit at the narrowest point of the Solent, opposite the Isle of Wight guarding the approaches to Southampton Port and Portsmouth harbour. First fort completed i...

Ireland, County Clare, The Burren, Clint blocks of limestone and gryke or grike fissures leading to a rock boulder split in two by erosion.

Ireland, County Clare, The Burren, Clint blocks of limestone and gryke or grike fissures leading to a rock boulder split in two by erosion.

Ireland, County Mayo, Downpatrick Head, Dun Briste or Broken Fort is an impressive sea stack at the headland.

England, Dorset, Limestone cliffs adjacent to Durdle Door.

England, Dorset, Durdle Door, Close up of limestone arch on the Jurassic Coast.

England, Dorset, Durdle Door, Steps leading down to the beach and the arch.

England, Dorset, Durdle Door, Limestone arch on the Jurassic Coast.