The churches of Florence are not only the expression of a spiritual meaning, but they were among the first patrons of the artists.
I believe that a tour in the churches of Florence is not only interesting for those who feel close to the Christian religion but also for those who profess another religion or who has no religion.
The reason is that in Florence is impossible to divide religion from history, economy, social life, there is always a religious or social or economic reason behind the art in a particular direction
How painting and architecture changed after the Council of Trent (XVI century) ? In churches you can see it very well.
Why there are so many private chapels inside the churches? Were the Florentine families really so religious?
Here are my 6 private guided Tours of the churches: