Behold 1000 watts of ship-stopping power at Split Rock Lighthouse! Experience the sights, the history, and the technology behind this signature Minnesota landmark anchored on the rocky coast of Lake …

Jan 2, 2026 · Nestled in a Minnesota State Park, Split Rock Lighthouse is one of the most photographed and visited spots in the state, with a drama-filled history and breathtaking Lake Superior views.

In observance of Martin Luther King Jr. Day, all Lighthouse branches and offices will be closed on Monday, January 19, 2026.

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 …

Behold 1000 watts of ship-stopping power at Split Rock Lighthouse! Experience the sights, the history, and the technology behind this signature Minnesota landmark anchored on the rocky coast of Lake …

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 …

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 …

Dec 24, 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.

A lighthouse is a tower with a bright light on the top. It helps warn sea travelers of dangerous areas and serves as a navigational aid that helps to keep vessels of all sizes safe.

Lighthouse is an open-source, automated tool for improving the performance, quality, and correctness of your web apps. When auditing a page, Lighthouse runs a barrage of tests against the page,...