The Apple campus in Cork, southern Ireland, employs 4,000 people — though its financial benefits are felt across the city. But Ireland's attractive tax laws — which have lured other industry leaders — are now under scrutiny. Paul Faith/AFP/Getty Images hide caption

itoggle caption Paul Faith/AFP/Getty Images

The remains of Brendan Megraw are carried to St. Oliver Plunkett Church in Belfast by his brothers Kieran (second left) and Sean (second right) on Nov. 14. The remains were found in a bog 36 years after Megrew was taken by the IRA. He was one of the many who died or disappeared during the decades-long Troubles between Protestant loyalists and Catholic republicans in Northern Ireland. Liam McBurney/PA Photos/Landov hide caption

itoggle caption Liam McBurney/PA Photos/Landov

Not-so-authentic Irish: a Celtic knot tattoo. Tattoo parlors in Ireland say almost all the customers requesting this are American. Christa Burns/Flickr hide caption

itoggle caption Christa Burns/Flickr