The US Lighthouse Service can trace its beginnings to August 7, 1789 when President George Washington approved an act of Congerss which incorporated all esisting and future aids to navigation into a federal system. It was not until 1939 that the US Light Service was merged with the
US Coast Guard. Lighthouses in the United States have come and gone over the past 300 years. A wide variety of styles and construction materials have been used. Today, the vast majority of operational lighthouses are no longer manned by "keepers" as they have been automated. Many have long since passed into history.

Cape Hatteras Light New London Light Thomas Point Light
Cape Hatteras, N.C New London, CT Annapolis, MD
Click to view other lighthouses
Great link to the Atlantic Lighthouses! Here is one in the Gulf of Mexico.
Click on the picture.
Middle Bay Light
In 1885 the U.S. Lighthouse Service built a lighthouse at the main bend in the channel, midway in Mobile Bay. The lighthouse was designed and built hexagonal in shape, with seven steel pilings screwed into the bottom of the bay and braced with steel rods. Evidently it was a perfect design because it still stands after more than 100 years, and a number of hurricanes. Middle Bay Light is known and loved by many sailors and stands as a tribute to man's ability.
Thank you for this about lighthouses. I have always loved lighthouses.