The Book of Kells in Trinity College is a must see. The most beautiful book in history. That was a highlight for me when I visited Dublin in 2016. But the most special thing about Ireland it is the warm welcome the locals have towards tourists. They are the nicest people in the world.
@@MartijnAroundTheWorld St Patricks is the national cathedral of the protestant church of ireland ,its not the national cathedral which would be an ecumenical cathedral which it is is not.