The Baroque architecture of San Nicolo is a baroque-style building with a scale that is the largest in Sicily. It sits quietly in the center of Catania, built in the 11th century, and was destroyed by many earthquakes during the period. Therefore, the main part of the church is now rebuilt in the 18th century. The church is carved with the statue of the Sacred Agata, the patron saint of Catania. The church has a long charm, a vicissitudes, and an old and unbeaten appearance. It is the government's care and care, so it has been named in the World Heritage List.