In the region have been dating petrified trees which date back to years, that the human minds find it dificult to travel.Pieces of logs are found scattered in many parts of the region, but one that deserves a visit and a reference is the large trunk in the village Fylakto. It is fossilized tree trunk with length of 22 m and width 1.5 m, type of Lithogarpoxylon, aged over 20 million years. Today, there is a plan to create a Geopark to illustrate the historical development of forest"s vegetation in the area and to establish Old-Votanical Geological Museum, with the support of the University of Athens.