Ireland

Massive sea cliffs on the Atlantic coast of County Clare, 214 metres at their highest point, stretching 14 kilometres along the shore and hosting one of Europe's most concentrated seabird nesting colonies.

A remote highland valley in County Donegal with a Victorian Gorth盖-style hunting lodge, restored gardens, and a national park that is the largest in Ireland.

A large unlined 18th-century penal institution in Dublin that held the leaders of nearly every major Irish uprising from 1798 to 1916; now a museum and one of the most visited heritage sites in Ireland.

A Neolithic passage tomb on the Boyne Valley constructed around 3200 BCE, famous for its winter solstice sunrise alignment that illuminates the chamber, and for the extraordinary quality of its megalithic stone art.

A medieval complex of ecclesiastical buildings perched on a limestone outcrop above Cashel in County Tipperary, including a 12th-century Romanesque chapel and a 13th-century cathedral whose broken spire is one of the most recognisable silhouettes in Ireland.

Ireland's oldest university, founded 1592, centred on a cobbled quadrangle and the spectacular Long Room library that houses the Book of Kells.