Eastern Slovakia hides a pearl in the form of 27 monuments of historic wooden churches. Churches were declared a national monument. In the case of Catholic churches is a simply conceived structure made of red spruce built in the Gothic style. Greek churches are mostly three-towered with bulbous architectural elements. The oldest wooden church in Slovakia is located in Hervartov. Other churches can be found in the villages of Frička, Jedlinka, Lukov, Krivé, Tročany and Koržany.