This paper refers to some experiences of public archaeology done at Quebrada de Humahuaca’s educative institutions which help us to visibility archeology’s role in the construction of local past. Our objective was to observe appropriations and significations about of an archaeological local site in relation to socials’ dynamics of construction of heritage and identities, which have done in the farmer of Estate multiculturalism politics in this region.  For this purpose, we generate multivocals’ spaces for re-construction of knowledges about the archaeological discipline and this contribution to the understanding of local past.