The classicist-style brick church adorns the village of Mielagėnai and in its shape is somewhat reminiscent of the Vilnius Archcathedral Basilica. A brick church has been standing in this place since 1790.
1760 The first wooden church was built on the initiative of the Curonian nobleman Graf. The brick church was built in 1779-1790. In the care of Kazimierz Kublickis, the son of the Duchy of Livonia. 1790 the church of St. It was consecrated in the name of John the Baptist by the pastor, Livonia canon Vaitiekus Odolinskis. in 1838 the church was restored, it was given a classicist look. in 1858 a brick chapel was built in the cemetery. in 1908 the church was renovated with the care of priest Placidos Šarkauskas. 1925-1939 the pastor was an educator, fosterer of Lithuania, Fr. Karolis Gumbaragis. The church is a cultural monument. In the side niches of the facade are St. Peter and St. Statues of Paul with antique features. The author of these sculptures and paintings in the church and the epitaphs of Justina and Kazimierz Kublicki is Vincas Smakauskas (Kublicki's son-in-law). The interior devices were created by master Labanovskis. The gate with the belfry, with expressive shapes and proportions, in the style of late classicism and romanticism, is located in the western part of the churchyard fence. Built around 1830 The fence is well preserved, built of stones, decorated with a mosaic of fine rubble.