The General Archive of the Nation (Spanish: Archivo General de la Nación) is a Colombian government agency ascribed to the Colombian Ministry of Culture charged with "conserving the historical legacy, as well as recovering and circulating the documentary heritage of the country". It is the head of the National System of Archives. The headquarters are located in the city of Bogotá and was designed by the architect Rogelio Salmona.
More information on the Wikipedia page 
The website, in Spanish, is