The Tower of Hercules is the oldest lighthouse, located at t | Integral Life

The Tower of Hercules is the oldest lighthouse,

located at the entrance of La Coruña harbour in north-western Spain .
The Tower of Hercules was built during the reign of the Roman Emperor Trajan in the 2nd century AD. It was initially designed as a lighthouse to guide ships through the treacherous waters off the coast of Spain.
It is still in use today.