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

Republic of Ireland, County Donegal, Sea cliffs at Slieve League which at 601 metres or 1,972 feet are the second-highest sea cliffs in Ireland and some of the highest sea cliffs in Europe.

Republic of Ireland, County Donegal, Sea cliffs at Slieve League which at 601 metres or 1,972 feet are the second-highest sea cliffs in Ireland and some of the highest sea cliffs in Europe.

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

Republic of Ireland, County Donegal, Sea cliffs at Slieve League which at 601 metres or 1,972 feet are the second-highest sea cliffs in Ireland and some of the highest sea cliffs in Europe.

Republic of Ireland, County Donegal, Sea cliffs at Slieve League which at 601 metres or 1,972 feet are the second-highest sea cliffs in Ireland and some of the highest sea cliffs in Europe.

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.

China, Hong Kong Island, Apartment Blocks, High rise towers over looking the harbour.

Slovenia, Ljubljana, Staircase in the Neboticnik or Skyscraper Building which was constructed in 1933 in the Art Deco style..

Scotland, Glasgow, East End, Glasgow Green with Gorbals high rise flats across the river.

Scotland, Glasgow, East End, Glasgow Green with Gorbals high rise flats across the river.

USA, New York City, Manhattan, San Remo Building, Central Park West.

USA, New York City, Manhattan, Trump Tower, 725 Fifth Avenue.

USA, New York City, Manhattan, New York Fire Department Memorial Wall, Engine 10, Ladder 10, World Trade Center.

USA, New York City, Manhattan, One of the two waterfalls at National September 11 Memorial, World Trade Center.

USA, New York City, Manhattan, One of the two waterfalls at National September 11 Memorial, World Trade Center.

USA, New York City, Manhattan, Four World Trade Center also known as Tower 4 and 150 Greenwich Street.

USA, New York City, Manhattan, One of the two waterfalls at National September 11 Memorial, World Trade Center.

USA, New York City, Manhattan, One of the two waterfalls at National September 11 Memorial, World Trade Center.