The first Church in Wilkołaz was described by Jan Dlugosz. It was a wooden building and did not survive to the present day. The present Church is a brick building, and it was built in 1648-1653, as a Church of St. John the Baptist, founded by Jan Zamoyski. The Church is built of brick and stone, plastered, one-nave, originally Baroque, but due to the destruction and rebuilding it lost many stylish features. The choir vestry, the nave - the pediment of the porch, as the nave, on both sides, large chapels. Within three altars with oak trees, adapted to the style of the Baroque.