The third and current Trinity Church began construction in 1839 and was finished in 1846. The Gothic Revival brownstone church's Neo-Gothic spire, surmounted by a gilded cross, dominated the skyline of lower Manhattan. Trinity was a welcoming beacon for ships sailing into New York Harbor.Trinity Church held the title of tallest building in the United States until 1869, when it was surpassed by St. Michael's Church, Old Town, Chicago. Trinity continued to be the tallest in New York City, with its 281-foot (86 m) spire and cross, until it was surpassed in 1890 by the New York World Building.The tower of Trinity Church currently contains 23 bells, the heaviest of which weighs 27 U.S. hundredweight (1,225 kilograms [2,701 lb]).Trinity Church has three sets of impressive bronze doors, donated by William Waldorf Astor, 1st Viscount Astor in memory of his father, John Jacob Astor III. Conceived by Richard Morris Hunt, they date from 1893 and were produced by Karl Bitter (east door), J. Massey Rhind (south door), and Charles Henry Niehaus (north door). The north and east doors each consists of six panels from Church history or the Bible, and the south door depicts the history of New York in its six panels.