Lighthouses

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Judd Patterson, National Park Service

Lighthouses are structures that are prominent by day and lit at night to help sailors navigate, with complementary roles: to warn them to stay away, or to indicate safe passage and the way into harbour. There must be many thousands of them worldwide, if every harbour light at the end of a breakwater is counted, but this page only describes those with some kind of interior structure that you can visit.

Understand

See

Stay safe

See also