Point Sur Lightstation is a lighthouse at Point Sur, California, 135 miles south of San Francisco. It was established in 1889 and is part of Point Sur State Historic Park. Point Sur was a hazard for ships from the first settlement of California, and especially after the great increase in shipping in the mid-19th century, after the California Gold Rush. Many ships were wrecked there.
Minot's Ledge Lighthouse, one mile offshore from Scituate, MA; Work started on the current lighthouse in 1855, and it was completed and first lit on November 15, 1860, with a final cost of $300,000 that made it the most expensive light house that was ever constructed in the United States.