Today the Cathedral is in the form resulted by the renovations carried out in the late nineteenth and early twentieth century, although it was built back in 1449 to preserve the relics of the "Sacro Corporale," a linen cloth that, in 1294, a laundress of Gruaro (then taxed by Valvasone) saw stained with blood from the remains of a particle.

The late Gothic style building is formed by a rectangular nave, open truss beams with a presbytery flanked by two chapels, one of which serves as the base of the bell tower.
Inside the Duomo is the only Venetian organ of the '500s still existing in Italy with doors painted by Pordenone and Amalteo. More (The link you are accessing might not be in English.)