Acueducto De Los Milagros (Aqueduct of Miracles), UNESCO World Heritage Site, Merida, Estremadura, Spain, Europe

aqueduct merida estremadura spain unesco roman architecture ancient ruins historical site travel tourism sightseeing landmarks culture heritage landscape blue sky stone arches greenery outdoor exploration history engineering structures roads nature scenic view attractions picturesque travel destination european heritage archaeology monument ruins historical landmarks sightseeing tours ancient civilizations dramatic skies ancient aqueduct outdoor activities exploration site scenic landscapes cultural heritage adventure iconic structures architectural beauty stunning vistas heritage site tourist attraction archaeological site historical significance