Acueducto de los Milagros Monument · Mérida, Tierra de Mérida - Vegas Bajas, Badajoz Built in the early 1st century AD to bring water to the city from the Proserpina reservoir, located about 5 km away. Its masonry pillars with courses of brick are one of Mérida's most recognizable sights. Photo: doalex (CC BY-SA 3.0) What to see and do in Mérida