10 lighthouses with claims to fame, the legacies of which shine on

Symbolising safety and reassurance in the stormiest of seas, more than 18,600 lighthouses worldwide guide ships away from reefs, rocks and rugged coastlines. The advent of computerised navigation technology has triggered their demise, however, and eliminated the need for lighthouse keepers. Surviving signal towers are mostly automated and rely on solar power and halogen lights – a far cry from the hilltop bonfires and oil-burning lamps that guided ancient mariners.

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The prison at Alcatraz Island is no longer operational but the lighthouse still shines. Photo: Shutterstock