Kazan Cathedral, Saint Petersburg the cathedral from a small square behind it is sometimes cited as one of the finest ever constructed. The cathedral's huge bronze doors are one of four copies of the original doors of the Baptistery in Florence, Italy (the other three are at Grace Cathedral in San Francisco, United States, at the Nelson-Atkins Museum of Art in Kansas City, United States, and at the Florence Baptistery itself). The Kazan Cathedral is considered to be the model for the neoclassical style of Helsinki Cathedral, one of the most iconic landmarks of Helsinki, Finland. Kazan Cathedral, Saint Petersburg Kazan Cathedral or Kazanskiy
Grace Cathedral, San Francisco ancestral parish, Grace Church, was founded in 1849 during the California Gold Rush. The cathedral is the daughter of the historic Grace Church. The first little chapel was built in the gold rush year of 1849 and the imposing third church, for a time called Grace "cathedral", was destroyed in the fire following the 1906 earthquake. The family of a railroad baron and banker, William Henry Crocker, gave their ruined Nob Hill property for a diocesan cathedral, which took its name and founding congregation from the nearby parish. In 1865, Mark Twain published (in "The Californian" newspaper) purported private correspondence