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  1. Lighthouse - Wikipedia

    A lighthouse is a tower, building, or other type of physical structure designed to emit light from a system of lamps and lenses and to serve as a beacon for navigational aid for maritime pilots at sea or on …

  2. Lighthouse | Chrome for Developers

    Lighthouse has audits for performance, accessibility, progressive web apps, SEO, and more. You can run Lighthouse against any web page, public or requiring authentication. You can run Lighthouse as …

  3. View 15 Beautiful Lighthouses That Lead the Way to Serene Scenes

    4 days ago · View 20 Beautiful Lighthouses That Lead the Way to Serene Scenes These highlights from the Smithsonian Magazine Photo Contest include cliffside towers and lovely ...

  4. Lighthouse Friends

    Dec 30, 2025 · This site includes photographs, directions, histories, and GPS coordinates garnered while personally visiting every lighthouse in the United States and nearly every lighthouse in Canada.

  5. Lighthouse | Definition, History, Equipment, & Facts | Britannica

    Lighthouse, structure, usually with a tower, built onshore or on the seabed to serve as an aid to maritime coastal navigation, warning mariners of hazards, establishing their position, and guiding them to their …

  6. Lighthouse Directory - The Public's Library and Digital Archive

    There is some diagreement among lighthouse fans as to whether there should be restrictions on the design of the building, but standard dictionaries in English all have some form of this simple …

  7. Lighthouse Facts | The Lighthouse Preservation Society

    Lighthouses are built from wood, stone, brick, reinforced concrete, iron, steel, or aluminum. They are designed to withstand local environmental conditions. For example, tall skeletal lighthouses located …