Pieve Santo Basilica (St. Marino) was designed by the architect Antonio Serra in a neoclassical style and was built in 1838 on the site of the demolished old church Pieve. The splendor of the central nave emphasized Corinthian columns. The main altar is decorated with a marble statue of St.. Marino, the sculptor Tadolini, a pupil of Canova. Under the altar is kept the relics of St. Marino.