Republic of Ireland, County Donegal, Fanad Peninsula, Rear view of Fanad Lighthouse dating from 1817 and inspired by the loss of the HMS Saldanha locally in 1811.

Republic of Ireland, County Donegal, Fanad Peninsula, Fanad Lighthouse dating from 1817 and inspired by the loss of the HMS Saldanha locally in 1811.

Republic of Ireland, County Donegal, Fanad Peninsula, Fanad Lighthouse dating from 1817 and inspired by the loss of the HMS Saldanha locally in 1811.

Republic of Ireland, County Donegal, Fanad Peninsula, Great Pollet Arch which is the largest sea arch on the island of Ireland standing at a towering 150 feet.

Republic of Ireland, County Donegal, Fanad Peninsula, Great Pollet Arch which is the largest sea arch on the island of Ireland standing at a towering 150 feet.

Republic of Ireland, County Donegal, Fanad Peninsula, Great Pollet Arch which is the largest sea arch on the island of Ireland standing at a towering 150 feet.

Republic of Ireland, County Donegal, Fanad Peninsula, Great Pollet Arch which is the largest sea arch on the island of Ireland standing at a towering 150 feet.

Republic of Ireland, County Donegal, Fanad Peninsula, Great Pollet Arch which is the largest sea arch on the island of Ireland standing at a towering 150 feet.

Republic of Ireland, County Donegal, Horn Head near Dunfanaghy with a mini cairn in the foreground and the Atlantic Ocean in the background.

Republic of Ireland, County Donegal, Glencolmcille, Glen Head.

Wales, Dyfed, Coastline, Green Bridge of Wales natural coastal rock arch near St Govans Head formed by erosion from waves.

Italy, Dolomites Mountains, Limestone rock towers of the Stella Group looming above a wooden cabin.