Portugal, Porto, Dom Luis I Bridge or Ponte de Dom Luis I, Double-deck metal arch bridge over the Rver Douro which was opened in 1886 and is seen here from the Torre dos Clerigos or Clerigos Tower.

Portugal, Porto, Dom Luis I Bridge or Ponte de Dom Luis I, Double-deck metal arch bridge over the River Douro which was opened in 1886 and is seen here from the Ribeira side of the river.

Portugal, Porto, Dom Luis I Bridge or Ponte de Dom Luis I, Double-deck metal arch bridge over the Rver Douro which was opened in 1886 and is seen here from the esplanade of the Monastery of Serra do P...

Portugal, Porto, Dom Luis I Bridge or Ponte de Dom Luis I, Double-deck metal arch bridge over the Rver Douro which was opened in 1886 and is seen here from the esplanade of the Monastery of Serra do P...

Portugal, Porto, Dom Luis I Bridge or Ponte de Dom Luis I, Double-deck metal arch bridge over the Rver Douro which was opened in 1886 and is seen here from the esplanade of the Monastery of Serra do P...

Portugal, Porto, Dom Luis I Bridge or Ponte de Dom Luis I, Double-deck metal arch bridge over the Rver Douro which was opened in 1886.

Portugal, Porto, Dom Luis I Bridge or Ponte de Dom Luis I, Double-deck metal arch bridge over the Rver Douro which was opened in 1886.

Republic of Ireland, County Dublin, Balbriggan, Ardgillan Castle and Gardens, The Victorian Conservatory originally constructed in 1905 at Seamount Malahide home of the Jameson family renowned globall...

Republic of Ireland, County Dublin, Balbriggan, Ardgillan Castle and Gardens, The Victorian Conservatory originally constructed in 1905 at Seamount Malahide home of the Jameson family renowned globall...

Republic of Ireland, County Donegal, Gartan Monastic site, Saint Colmcille's Chapel, Built in the 16th century by Manus O'Donnell to commemorate his relative Saintt Colmcille.

Republic of Ireland, County Sligo, Sligo Town Hall, designed by William Hague and built between 1865 and 1872 when it opened for a council meeting.

Republic of Ireland, County Sligo, Sligo Abbey was a Dominican Friary founded in 1253 by Maurice FitzGerald 2nd Lord of Offaly who was Justiciar of Ireland from 1232 to 1245.