Interesting sites within the historic center of Campeche include the Cathedral, built in 1540 and the oldest on the Yucatan Peninsula, the San Franciscan Church also built in the 16th century, The Casa 6 (House 6), the Carvajal Mansion, the protective walls and garrisons and the colonial houses. | Interesting sites within the historic center of Campeche include the Cathedral, built in 1540 and the oldest on the Yucatan Peninsula, the San Franciscan Church also built in the 16th century, The Casa 6 (House 6), the Carvajal Mansion, the protective walls and garrisons and the colonial houses. |