Conjunto Arqueológico de Mérida Historical milestone · Mérida, Tierra de Mérida - Vegas Bajas, Badajoz The complex of Roman remains of Augusta Emerita was declared a World Heritage Site by UNESCO in 1993 (code 664), at the 17th session of the Committee, for its historical and monumental significance. The declaration applies to the archaeological complex as a whole (theater, amphitheater, circus, bridge, temple of Diana, arch, aqueducts, alcazaba, Casa del Mitreo, etc.); it should not be extended to other monuments of Mérida not formally included in that listing. Photo: Fernando (CC BY-SA 4.0) What to see and do in Mérida