Category
page 1Lighthouses
lighthouse
thumb|300px|Barnegat Lighthouse at the coast of [[Ocean County, New Jersey, U.S., facing the Atlantic Ocean at sunrise]]
thumbnail|Aerial drone footage of the Roman Rock Lighthouse off the southern coast of South Africa.

Total internal reflection
physical phenomenon
Lighthouse and naval vessel urban legend
Maritime urban legend related to the dangers of hubris and inflexibility
leading lights
light beacons used for watercraft navigation in a shallow or dangerous channel or as position fixing
sector light
artificial pilotage and position fixing aid emitting light beams