Central Campus: Located northwest of the city center, between Cerro Ecoparque the Flyer and the Medellín River. Since 1938, it has been the headquarters of the National University of Colombia in Medellin, when the School of Tropical Agriculture (now the Faculty of Agricultural Sciences) joined the University. The Central Campus has an area of 272,982 m², the heart of Rio has an area of 31,758 m² and a portion of Cerro El Flying is around 269,257 m². Several learning centers can be found in at the campus including the Entomological Museum which was founded in 1937, the Museum of Mycology founded in 1987, the Herbarium "Gabriel Gutierrez," the wood collection, the Central Library "Efe Gomez" as an attractive artistic and architectural highlights, the Totem Mythic created by Master Pedro Nel Gomez, Block 41 declared a National Cultural, designed by Engineer Jesús Montoya Mejía which began in 1931, the Block 11 Master designed by Pedro Nel Gómez.