El Pueblo History Museum is a local history museum in Pueblo, Colorado, United States. The museum presents the history of Pueblo, together with the cultural and ethnic groups of the region. The historical site includes an 1840s-style adobe trading post and plaza and the archaeological excavation site of the original 1842 El Pueblo trading post which was …El Pueblo History Museum is a local history museum in Pueblo, Colorado, United States. The museum presents the history of Pueblo, together with the cultural and ethnic groups of the region. The historical site includes an 1840s-style adobe trading post and plaza and the archaeological excavation site of the original 1842 El Pueblo trading post which was listed on the US National Register of Historic Places in 1996. The facility is administered by History Colorado.