St. Patrick's Cathedral is a well-known tourist attraction and one of the most famous landmarks of Dublin, Ireland. It is a magnificent Gothic-style cathedral located in the heart of the city, adjacent to the famous well-known site of the old St. Patrick's monastery.

St. Patrick's Cathedral is the largest church in Ireland and has been a place of worship since the 5th century. The current building dates back to the 12th century, and over the centuries, it has been renovated, restored and expanded. The cathedral is dedicated to St. Patrick, the patron saint of Ireland, and is considered the national cathedral of the country.

One of the most striking features of the cathedral is the massive stained glass windows that adorn the building. The most impressive of these is the "Harry Clarke" window, which depicts scenes from the life of St. Patrick. Other notable features include the 13th-century Gothic nave, the 15th-century choir stalls, and the impressive 19th-century organ.

St. Patrick's Cathedral is also home to many memorials, including the Boyle family monument, which dates back to the 17th century and is one of the most elaborate memorials in the cathedral. Other notable memorials include those to the Duke of Schomberg and the Earl of Cork.

Visitors to the cathedral can take a guided tour, which includes a visit to the crypt, where they can see the tomb of Jonathan Swift, the author of "Gulliver's Travels," who was once the dean of the cathedral. The cathedral also hosts a number of concerts and events throughout the year, including an annual Christmas carol service.