Wikipedia: Lighthouse – The history of lighthouses, technology, building, Fresnel lens and the History of lighthouses.
symbolism and more. Plus the

The Lighthouse Directory -Provides links and information for more than 19,300 of the world’s lighthouses.

New England Lighthouses: A Virtual Guide – History, tour info, original photography, and more for nearly 200 lighthouse in the New England states: Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, and Connecticut.

PBS: Legendary Lighthouses – Learn about the history of lighthouses, look through a photo gallery and find out

Unmuseum: The Great Lighthouse At Alexandria – Informative article about the Pharos.

United States Lighthouse Society: Lighthouse Facts – Offers more than 20 facts about lighthouses.

Trips to Discover: 23 of the Most Awe-Inspiring Lighthouses Around the World – Scroll through photos of lighthouses.

CountryLiving: The 30 Most Beautiful Lighthouses in America – Scroll through a photo gallery.

Weather.com: 12 Amazing Lighthouses of the World – Photo gallery.

YouTube: Lighthouse Playlist – Lighthouse related videos. Here’s one example…