Giant's Causeway is the only UNESCO World Heritage-listed site and it can be found in the Northern part of Ireland. This wonder of nature is made up of over polygonal basalt rock columns made from ancient volcanic landscape.
Giant’s Causeway, Northern Ireland Around 50 to 60 million years ago, intense volcanic activity in the area formed a lava plateau. Over time, the lava cooled and fractures created columns that are so perfect, they almost look artificial. Like a mini city!
The monastery of Clonmacnoise (Cluain Mhic N& in Irish, meaning "Meadow of the Sons of N& or perhaps, albeit less likely, Cluain Muccu N& "Meadow of the Pigs of N& is situated in County Offaly, Ireland on the River Shannon south of Athlone.