At the heart of its namesake town, Mir Castle stands as one of the earliest and most essential surviving monuments in the region, its centuries-old walls reflected magnificently in an adjoining pond like something from a fairy tale. Its name, meaning "peace", reflects its historic role as a site for signing treaties meant to bring harmony to the region. Begun in the early 16th century by the Ilinich family and completed by the Radziwills, the castle is a UNESCO World Heritage site valued precisely for its hybrid character: a Gothic fortified quadrangle with tall corner towers and decorative brickwork, extended by a Renaissance palace range and later Baroque work. Beyond the walls lie a landscape park and the domed chapel-mausoleum of its owners.