The year now drawing to a close witnessed the renovation of a number of historic structures that now house museums, making room for new collections, Mexico's National Institute of Anthropology and History said.
Cultural authorities also created new venues, including the Museo Maya in Cancun, which holds 350 archeological treasures.
In the southern state of Oaxaca, repair work was completed on a 16th-century monastery converted to a museum, while restorers made significant progress on two other colonial-era cloisters.
Fort San Juan de Ulua, located on the Gulf coast, was reopened last month after extensive renovations to the Governor's House, which once served as the residence of President Benito Juarez and is now home to the new Archaeological Museum of Veracruz.
Mexico City's Museo de El Carmen, located in a 450-year-old convent, was also restored in 2012.