 When the congregation outgrew this structure twenty years later, they decided to erect a new church, the most sumptuous in the colonies.The main body of the church was constructed between 1727 and 1744, and the steeple was added in 1754, making it the tallest building in the future United States of America, at .Christ Church is considered one of the nation's most beautiful surviving 18th-century structures, a monument to colonial craftsmanship and a handsome example of Georgian architecture.