Church of the Advocate - View this location on map The Church of the Advocate (1887-1897) is a landmark in the religious, social and architectural history of the United States. Built as a private bequest and intended to serve as the Episcopal Cathedral of Philadelphia, the church is a major monument in the American Gothic Revival. No other American church has so complete a repertoire of the canonical elements of Gothic Revival architecture. 18th and Diamond Streets, Philadelphia, Pennsylvania Historical

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