This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

At 207 feet, one of the world's longest continuous escalators.

Home to items never before seen by the public.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

An unusual manor of stunning beauty, born out of a crippling disease.

A remarkably intact castle that once was the largest in Ireland.