The Basilica di Santa Maria Gloriosa dei Frari, usually just called the Frari, is a church in Venice, northern Italy. One of the greatest churches in the city, it has the status of a minor basilica. It stands on the Campo dei Frari at the heart of the San Polo district. The church is dedicated to the Assumption (Italian: Assunzione della Beata Virgine).
https://en.wikipedia.org/wiki/Santa_Maria_Gloriosa_dei_Frari

 Among a long list of churches, art galleries, and such things, visited by us in Venice, I shall mention only one--the church of Santa Maria dei Frari. It is about five hundred years old, I believe, and stands on twelve hundred thousand piles. In it lie the body of Canova and the heart of Titian, under magnificent monuments. Titian died at the age of almost one hundred years. A plague which swept away fifty thousand lives was raging at the time, and there is notable evidence of the reverence in which the great painter was held, in the fact that to him alone the state permitted a public funeral in all that season of terror and death.
In this church, also, is a monument to the doge Foscari, whose name a once resident of Venice, Lord Byron, has made permanently famous.
The monument to the doge Giovanni Pesaro, in this church, is a curiosity in the way of mortuary adornment. It is eighty feet high and is fronted like some fantastic pagan temple. Against it stand four colossal Nubians, as black as night, dressed in white marble garments. The black legs are bare, and through rents in sleeves and breeches, the skin, of shiny black marble, shows. The artist was as ingenious as his funeral designs were absurd. There are two bronze skeletons bearing scrolls, and two great dragons uphold the sarcophagus. On high, amid all this grotesqueness, sits the departed doge.
In the conventual buildings attached to this church are the state archives of Venice. We did not see them, but they are said to number millions of documents. “They are the records of centuries of the most watchful, observant and suspicious government that ever existed--in which every thing was written down and nothing spoken out.” They fill nearly three hundred rooms. Among them are manuscripts from the archives of nearly two thousand families, monasteries and convents. The secret history of Venice for a thousand years is here--its plots, its hidden trials, its assassinations, its commissions of hireling spies and masked bravoes--food, ready to hand, for a world of dark and mysterious romances.