Tower of Hercules, Ancient Roman Lighthouse, La Coruna Harbour, Spain. The structure, almost 1900 years old and rehabilitated in is the oldest Roman lighthouse in use today.
Tower of Hercules (Torre De Hercules), a Coruna, Galicia, Spain, Europe. Photographic Print from AllPosters.com, $29.99
It's the only Roman lighthouse that is still working nowadays.
Torres de Hercules, A Coruna, Galicia, Spain
Torre de Hercules, considered the oldest survivor lighthouse of the world, Coruña, Spain