<p>In the late nineteenth and the early twentieth centuries, new styles in the concept of a naturalistic park were created. The sites from this period located in the Lublin region include, among others, the Milejów manor and the Ciechanki <em>Ł</em>a<em>ń</em>cuchowskie manor. The manor park in Milejów was founded in the nineteenth century in English style. In the park there is a wooden, well–preserved mansion from 1903. However, the manor in Ciechanki is a building in modernist style. Both these park and manor complexes have a rich history and they fully deserve conservator’s protection. A dendrological inventory in Milejów showed 190 woody plants belonging to 22 species, while in Ciechanki – 590 woody plants belonging to 24 species. They are mostly native species associated with deciduous forests – <em>Fraxinus excelsior </em>L., <em>Acer pseudoplatanus </em>L., and <em>Carpinus betulus </em>L. Currently, the parks are gradually becoming naturalised, losing their original spatial arrangement, and they require restoration.</p>