The Geology and Archaeology Route of Rodao takes visitors on a 500 million year journey dating back to the beginnings of the sediments which gave origin to the quartzite of the Serra das Talhadas. One of the high points of this route is the lookout over the Doors of Rodao, a colossal geomorphological structure that results from the transposition of the Tejo River through the quartzite crest. Close to this location various demonstrations by organisms that left their marks on ancient sands can be seen. Today these are fossilised and bear witness to the important episodes of the region´s geological evolution. There are also large trees, related to custard apple trees, typical of hot climates, that were plentiful in this location. The petrified trunks in the Tejo Hall of Arts and Culture prove this. For a better understanding of the Tejo River system, the route continues on to the terraces of the Excarrique Falls and the Falls Senhora da Alagada, which bear evidence to the successive embedding of the Tejo River. On the terrace of the Enxarrique Falls, classified as Real Estate of Public Interest, fossils of deer, aurochs, elephant, and rhinoceros were found from the end of the Middle Palaeolithic Period. The oldest remnants of human occupation of the Naturtejo Geopark were recorded in the Vila Velha de Rodao (Monte do Famaco) and some of these can be seen in the Archaeology Hall of the Municipal Museum.