What's the oldest lighthouse standing today?
Though it's not known for sure, the Tower of Hercules (pictured here) dates back to Roman times.
Asked by: Kerry Waters, by email
Probably the Tower of Hercules lighthouse, which dates back to Roman times and stands on a headland near the city of La Coruna on Spain's northwestern coast. The original Roman lighthouse - called a pharos - was built in the 2nd century AD, with a spiral wooden ramp up the outside for fuel to be carried for burning at the top.
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