Church of the Assumption of the Blessed Virgin Mary in Siemiatycze

Constructed in the years 1626-1637, extended in the years 1713-1737. Built in the late Renaissance-Baroque style, the facade is in the late Baroque style. Inside the church there are organs from the 18th century, a regency altar from the 1st half of the 18th century, in the sacristy - a late Gothic crucifix retained after the wooden church was burnt. After the fire the church was renovated by Duchess Anna Jabłońska from the House of Sapieha.