- Visit one of Dublin’s oldest landmarks a place of pilgrimage for almost 1,000 years, Christ Church Cathedral - Get a chance to see the tomb of Strongbow, one of the leaders of the Normans who conquered Ireland in 1170, during your visit - Explore the largest Medieval Crypt in Ireland, that extends underneath the entire cathedral - Have a closer look at the mummified Cat and Rat, who were trapped in the cathedral’s organ in the 1860s - Admire the well-preserved stained glass windows and medieval floor tiles of the cathedral’s nave