Mentioned by MapQuest Travel
10 Must See Historic Attractions in Dublin Ireland
"Originally founded in 1028, the Cathedral of the Holy Trinity contains one of the oldest structures in all of Great Britain. Commonly known as the Christ Church Cathedral, the property houses the famous underground crypts which have been an important pilgrimage site since medieval times. The mysterious monuments and resting places far below the surface of the foundation are still one of the most popular tourist attractions for people who love the historical, religious, and cultural aspects of Ireland."