30 lighthouses you have to visit in your lifetime

• Lighthouses have been built in epic locations around the world, from volcanoes to sand dunes.
• The Tower of Hercules in Spain is the oldest operating lighthouse in the world.
• Some of these lighthouses, like Neist Point Lighthouse in Scotland, are accessible via footpaths.

While technological advancements in navigation aids, such as GPS and radar beacons, have rendered most lighthouses unnecessary, they remain as symbols of security and steadfastness along nations' shores.