St. Michael’s Catholic Church, at 3rd and Cedar streets in Tarnov, serves a parish founded by Polish settlers in 1880. The Gothic Revival church, designed by Brother Leonard Darscheid, OFM, was built in 1900–01 partly with materials from Omaha’s 1898 Trans-Mississippi Exposition and dedicated on October 24, 1901. The Our Lady of Lourdes Grotto (1926–27) was designed by Charles Wurdeman. The church, rectory, cemetery and grotto were listed on the National Register on November 28, 1990.