Lighthouses of the United States

Lighthouses in the United States are structures built along coastlines, harbors, and dangerous waters to aid maritime navigation. They emit light signals, often combined with sound signals, to guide ships safely, warn of hazards like rocks or reefs, and mark entrances to harbors. Managed mainly by the Coast Guard, these lighthouses have historical significance, with some now automated or preserved as museums. They serve as important landmarks for marine safety, helping sailors navigate unfamiliar or hazardous areas during both day and night, ensuring maritime traffic remains safe and efficient.