This is inside Christ Church Cathedral. I didn't pay for the tour, so this is all I can give you, sorry.
Back outside the Christ Church Cathedral
This is Einstein's head made of Sand at Dublin Castle
This is Saint Patrick's Cathedral, a man most known in America for popularizing binge drinking green beer and pinching schoolkids who do not wear green to school on St. Patrick's Day
Another angle
And another
And another
This is the Temple Bar area in Dublin. It's full of tourists, beer, some drunken tourists, cobbled streets, beer, live music, and beer.
Due to talent and fingerless gloves, these guys drew a pretty good crowd.