Teatro Romano de Mérida Monument · Mérida, Tierra de Mérida - Vegas Bajas, Badajoz Built between 16 and 15 BC on the initiative of Marcus Vipsanius Agrippa, son-in-law of Augustus. It was renovated in the late 1st-early 2nd century and again under Constantine (330-340). It forms part of the Archaeological Ensemble of Mérida, a World Heritage Site since 1993, and remains in use as the venue for the International Festival of Classical Theater. Photo: Fernando (CC BY-SA 4.0) What to see and do in Mérida