Republic of Ireland, County Sligo, Ben Bulben mountain seen from Lukes Bridge area with rhododendrons in the foreground.

Republic of Ireland, County Sligo, Ben Bulben mountain seen from Lukes Bridge area with rhododendrons in the foreground.

Republic of Ireland, County Donegal, Gweedore, mini cairn on the foothills of Errigal which is Donegal's highest mountain.

Republic of Ireland, County Donegal, Gweedore, mini cairn on the foothills of Errigal which is Donegal's highest mountain.

Austria, Tyrol, Innsbruck, Hungerburgbahn funicular station designed by Zaha Hadid and opened in 2007.

Austria, Tyrol, Innsbruck, Hungerburgbahn funicular station designed by Zaha Hadid and opened in 2007.

Austria, Tyrol, Innsbruck, Hungerburgbahn funicular station designed by Zaha Hadid and opened in 2007.

Austria, Tyrol, Innsbruck, Hungerburgbahn funicular station designed by Zaha Hadid and opened in 2007.

Austria, Tyrol, Innsbruck, Hungerburgbahn funicular station designed by Zaha Hadid and opened in 2007.

Austria, Tyrol, Innsbruck, Hungerburgbahn funicular station designed by Zaha Hadid and opened in 2007.

Spain, Castile and Leon, Segovia, Full panorama of the Aqueduct of Segovia, a Roman aqueduct with 167 arches built around the first century AD to channel water from springs in the mountains 17 kilomet...

Ireland, County Sligo, Markree Castle grounds near Collooney, trees and grass covered in snow and hoar frost in mid winter.